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Publication: Robins, Richard C., Reeve M. Bailey, Carl E. Bond, James R. Brooker, Ernest A. Lachner, et al. 1980. A List of Common and Scientific Names of Fishes from the United States and Canada, Fourth Edition. American Fisheries Society Special Publication, no. 12. 174.

ITIS records citing this publication
 
 Kingdom Animalia
  Ablennes hians (Valenciennes in Cuvier and Valenciennes, 1846) -- valid -- agujón sable, flat needlefish, sauro atlántico
  Abudefduf saxatilis (Linnaeus, 1758) -- valid -- petaca rayada, píntano, sergeant major
  Abudefduf taurus (Müller and Troschel in Schomburgk, 1848) -- valid -- night sergeant, petaca toro, píntano toro
  Acantharchus pomotis (Baird, 1855) -- valid -- mud sunfish
  Acanthemblemaria aspera (Longley, 1927) -- valid -- roughhead blenny
  Acanthemblemaria chaplini Böhlke, 1957 -- valid -- papillose blenny, sapito papiloso
  Acanthocybium solandri (Cuvier in Cuvier and Valenciennes, 1832) -- valid -- peto, thazard-bâtard, wahoo
  Acanthogobius flavimanus (Temminck and Schlegel, 1845) -- valid -- gobio extranjero, yellowfin goby
  Acantholumpenus mackayi (Gilbert, 1896) -- valid -- blackline prickleback, pighead prickleback
  Acanthostracion quadricornis (Linnaeus, 1758) -- valid -- scrawled cowfish, Scrawled Cowfish, torito común, torito cornudo
  Acanthurus bahianus Castelnau, 1855 -- valid -- barbero, cirujano pardo, ocean surgeon
  Acanthurus chirurgus (Bloch, 1787) -- valid -- barbero rayado, cirujano rayado, doctorfish
  Acanthurus coeruleus Bloch and Schneider, 1801 -- valid -- barbero azul, blue tang, cirujano azul
  Acanthurus randalli Briggs and Caldwell, 1957 -- valid -- Gulf surgeonfish
  Achirus lineatus (Linnaeus, 1758) -- valid -- acedía rayada, lined sole, Lined Sole, suela listada
  Acipenser brevirostrum Lesueur, 1818 -- valid -- shortnose sturgeon
  Acipenser fulvescens Rafinesque, 1817 -- valid -- esturgeon jaune, lake sturgeon
  Acipenser medirostris Ayres, 1854 -- valid -- esturión verde, green sturgeon
  Acipenser oxyrhynchus Mitchill, 1815 -- invalid -- Atlantic sturgeon
  Acipenser oxyrinchus Mitchill, 1815 -- valid -- Atlantic sturgeon, esturgeon noir, esturión del Atlántico, Gulf sturgeon
  Acipenser transmontanus Richardson, 1836 -- valid -- esturión blanco, white sturgeon
  Acrocheilus alutaceus Agassiz and Pickering in Agassiz, 1855 -- valid -- chiselmouth
  Acyrtops beryllinus (Hildebrand and Ginsburg, 1926) -- valid -- emerald clingfish, pequita esmerilada
  Adinia xenica (Jordan and Gilbert, 1882) -- valid -- diamond killifish
  Aetobatus narinari (Euphrasen, 1790) -- valid -- bonnetray, chucho pintado, obispo, spotted eagle ray
  Agonomalus mozinoi Wilimovsky and Wilson, 1979 -- valid -- kelp poacher
  Agonopsis sterletus (Gilbert in Jordan and Evermann, 1898) -- valid -- bandido narigón, southern spearnose poacher
  Agonopsis vulsa (Jordan and Gilbert, 1880) -- valid -- northern spearnose poacher
  Agonostomus monticola (Bancroft in Griffith and Smith, 1834) -- valid -- dajao, mountain mullet, trucha de tierra caliente
  Agosia chrysogaster Girard, 1856 -- valid -- longfin dace, pupo panzaverde
  Ahlia egmontis (Jordan, 1884) -- valid -- key worm eel, safío de llave, tieso de cayo
  Albula vulpes (Linnaeus, 1758) -- valid -- bonefish, macabí
  Alectis ciliaris (Bloch, 1787) -- valid -- African pompano, flechudo, pámpano de hebra, threadfin
  Alectrias alectrolophus (Pallas, 1814) -- valid -- stone cockscomb
  Alectridium aurantiacum Gilbert and Burke, 1912 -- valid -- lesser prickleback
  Alepisaurus brevirostris Gibbs, 1960 -- valid -- shortnose lancetfish
  Alepisaurus ferox Lowe, 1833 -- valid -- conejo de lo alto, lanzón picudo, longnose lancetfish
  Alloclinus holderi (Lauderbach in Jordan and Starks, 1907) -- valid -- island kelpfish, trambollo isleño
  Allolumpenus hypochromus Hubbs and Schultz, 1932 -- invalid -- Y-prickleback
  Allosmerus elongatus (Ayres, 1854) -- valid -- whitebait smelt
  Allothunnus fallai Serventy, 1948 -- valid -- atún lanzón, slender tuna, thon élégante
  Alopias superciliosus (Lowe, 1841) -- valid -- bigeye thresher, tiburón zorro ojón, zorro ojón
  Alopias vulpinus (Bonnaterre, 1788) -- valid -- renard marin, thresher shark, tiburón zorro común, zorro
  Alosa aestivalis (Mitchill, 1814) -- valid -- alose d'été, blueback herring, blueback shad
  Alosa alabamae Jordan and Evermann in Evermann, 1896 -- valid -- Alabama shad, Gulf shad, Ohio shad
  Alosa chrysochloris (Rafinesque, 1820) -- valid -- blue herring, golden shad, green herring, river herring, skipjack, skipjack herring, skipjack shad
  Alosa mediocris (Mitchill, 1814) -- valid -- bonejack, fall herring, freshwater taylor, hickory jack, hickory shad, shad herring
  Alosa pseudoharengus (Wilson, 1811) -- valid -- alewife, bigeye herring, branch herring, freshwater herring, gaspareau, gray herring, grayback, kyak, sawbelly, white herring
  Aluterus heudelotii Hollard, 1855 -- valid -- dotterel filefish, Dotterel Filefish, lija jaspeada
  Aluterus monoceros (Linnaeus, 1758) -- valid -- lija barbuda, Unicorn Filefish, unicorn filefish
  Aluterus schoepfii (Walbaum, 1792) -- valid -- lija anaranjada, lija naranja, orange filefish, Orange Filefish, orange filefish
  Aluterus scriptus (Osbeck, 1765) -- valid -- lija trompa, scrawled filefish, Scrawled Filefish, unicornfish
  Ambloplites ariommus Viosca, 1936 -- valid -- shadow bass
  Ambloplites cavifrons Cope, 1868 -- valid -- Roanoke bass
  Ambloplites constellatus Cashner and Suttkus, 1977 -- valid -- Ozark bass
  Ambloplites rupestris (Rafinesque, 1817) -- valid -- crapet de roche, rock bass
  Amblycirrhitus pinos (Mowbray in Breder, 1927) -- valid -- halcón rayadito, rayadito, redspotted hawkfish
  Amblyopsidae Bonaparte, 1846 -- valid -- amblyopes, cave fishes, cavefishes, peces cavernícolas
  Amblyopsis rosae (Eigenmann, 1898) -- valid -- Ozark cavefish
  Amblyopsis spelaea DeKay, 1842 -- valid -- northern cavefish
  Ameiurus brunneus Jordan, 1877 -- valid -- snail bullhead
  Ameiurus catus (Linnaeus, 1758) -- valid -- white bullhead, white catfish
  Ameiurus melas (Rafinesque, 1820) -- valid -- bagre torito negro, black bullhead
  Ameiurus natalis (Lesueur, 1819) -- valid -- bagre torito amarillo, barbotte jaune, yellow bullhead
  Ameiurus nebulosus (Lesueur, 1819) -- valid -- barbotte brune, brown bullhead
  Ameiurus platycephalus (Girard, 1859) -- valid -- flat bullhead
  Ameiurus serracanthus (Yerger and Relyea, 1968) -- valid -- spotted bullhead
  Amia Linnaeus, 1766 -- valid -- bowfin
  Amia calva Linnaeus, 1766 -- valid -- bowfin, poisson-castor
  Ammocrypta asprella (Jordan, 1878) -- invalid -- crystal darter
  Ammocrypta beani Jordan, 1877 -- invalid -- naked sand darter
  Ammocrypta bifascia Williams, 1975 -- valid -- Florida sand darter
  Ammocrypta clara Jordan and Meek, 1885 -- valid -- western sand darter
  Ammocrypta meridiana Williams, 1975 -- invalid -- southern sand darter
  Ammocrypta pellucida (Putnam, 1863) -- valid -- dard de sable, eastern sand darter
  Ammocrypta vivax Hay, 1882 -- valid -- scaly sand darter
  Ammodytes americanus DeKay, 1842 -- valid -- American sand lance, inshore sand lance, lance, lançon d'Amérique, sand eel
  Ammodytes dubius Reinhardt, 1837 -- valid -- lançon du nord, northern sand lance, offshore sand lance, sand eel
  Ammodytes hexapterus Pallas, 1814 -- valid -- Pacific sand lance
  Amphelikturus dendriticus (Barbour, 1905) -- invalid -- pipehorse
  Amphistichus argenteus Agassiz, 1854 -- valid -- barred surfperch, mojarra de bandas
  Amphistichus koelzi (Hubbs, 1933) -- valid -- calico surfperch, mojarra angaripola
  Amphistichus rhodoterus (Agassiz, 1854) -- valid -- redtail surfperch
  Anarchias yoshiae Kanazawa, 1952 -- invalid -- pygmy moray
  Anarchopterus criniger (Bean and Dresel, 1884) -- valid -- fringed pipefish, pez pipa orlado
  Anarchopterus tectus (Dawson, 1978) -- valid -- insular pipefish, pez pipa isleño
  Anarhichas lupus Linnaeus, 1758 -- valid -- Atlantic wolffish, loup atlantique
  Anarhichas minor Olafsen, 1772 -- valid -- loup tacheté, spotted wolffish
  Anarhichas ocellatus (Ayres, 1855) -- invalid -- northern wolffish, wolf-eel
  Anarhichas orientalis Pallas, 1814 -- valid -- Bering wolffish
  Anarrhichthys ocellatus Ayres, 1855 -- valid -- northern wolffish, wolf-eel
  Anchoa cayorum (Fowler, 1906) -- valid -- anchoa de cayo, key anchovy, manjúa de los cayos
  Anchoa compressa (Girard, 1858) -- valid -- anchoa alta, deepbody anchovy
  Anchoa cubana (Poey, 1868) -- valid -- anchoa cubana, Cuban anchovy, manjúa cubana
  Anchoa delicatissima (Girard, 1854) -- valid -- anchoa delicada, slough anchovy
  Anchoa duodecim (Cope, 1869) -- invalid -- New Jersey anchovy
  Anchoa hepsetus (Linnaeus, 1758) -- valid -- anchoa legítima, broad-striped anchovy, manjúa listada, striped anchovy
  Anchoa lamprotaenia Hildebrand, 1943 -- valid -- anchoa ojuda, big-eye anchovy, bigeye anchovy, longnose anchovy, manjúa ojuda
  Anchoa lyolepis (Evermann and Marsh, 1900) -- valid -- anchoa mulata, dusky anchovy, manjúa mulata, shortfinger anchovy
  Anchoa mitchilli (Valenciennes in Cuvier and Valenciennes, 1848) -- valid -- anchoa de caleta, bay anchovy
  Anchoa nasuta Hildebrand and Carvalho, 1948 -- invalid -- longnose anchovy
  Anchoviella perfasciata (Poey, 1860) -- valid -- anchoa chata, flat anchovy, manjúa chata, Poey's anchovy
  Ancylopsetta dilecta (Goode & Bean, 1883) -- valid -- lenguado tres manchas, Three-eye Flounder, three-eye flounder
  Ancylopsetta quadrocellata Gill, 1864 -- invalid -- lenguado cuatro manchas, Ocellated Flounder, ocellated flounder
  Anguilla rostrata (Lesueur, 1817) -- valid -- American eel, anguila, anguila americana, anguille d'Amérique
  Anisotremus davidsoni (Steindachner, 1876) -- invalid -- sargo
  Anisotremus surinamensis (Bloch, 1791) -- valid -- black margate, burriquete, pompón
  Anisotremus virginicus (Linnaeus, 1758) -- valid -- burro payaso, catalineta, porkfish
  Anoplagonus inermis (Günther, 1860) -- valid -- smooth alligatorfish
  Anoplarchus insignis Gilbert and Burke, 1912 -- valid -- slender cockscomb
  Anoplarchus purpurescens Gill, 1861 -- valid -- high cockscomb
  Anoplopoma fimbria (Pallas, 1814) -- valid -- bacalao negro, sablefish
  Anotopterus pharao Zugmayer, 1911 -- valid -- daggertooth
  Antennariidae -- valid -- anglerfishes, antennaires, frogfishes, ranisapos, sea mice
  Antennarius avalonis Jordan and Starks, 1907 -- valid -- ranisapo antenado, roughjaw frogfish
  Antennarius multiocellatus (Valenciennes in Cuvier and Valenciennes, 1837) -- valid -- longlure frogfish, pescador caña larga, ranisapo ceboso
  Antennarius ocellatus (Bloch and Schneider, 1801) -- valid -- ocellated frogfish, pescador ocelado, ranisapo pescador
  Antennarius pauciradiatus Schultz, 1957 -- valid -- dwarf frogfish, dwarfed frogfish, ranisapo enano
  Antennarius radiosus Garman, 1896 -- valid -- big-eyed frogfish, ranisapo uniocelado, singlespot frogfish
  Antennarius scaber (Cuvier, 1817) -- invalid -- splitlure frogfish
  Antennarius striatus (Shaw in Shaw and Nodder, 1794) -- valid -- pescador, ranisapo estriado, striated frogfish
  Anthias nicholsi Firth, 1933 -- valid -- mero aleta amarilla, yellowfin bass
  Anthias tenuis Nichols, 1920 -- valid -- mero naricita, threadnose bass
  Antigonia capros Lowe, 1843 -- valid -- deepbody boarfish, elevado, verraco alto
  Antigonia combatia Berry and Rathjen, 1959 -- valid -- pez pecarí, shortspine boarfish
  Apeltes quadracus (Mitchill, 1815) -- valid -- bloody stickleback, épinoche à quatre épines, fourspine stickleback
  Aphredoderidae Bonaparte, 1846 -- valid -- percas pirata, perches-pirates, pirate perches
  Aphredoderus sayanus (Gilliams, 1824) -- valid -- pirate perch
  Aplodinotus grunniens Rafinesque, 1819 -- valid -- freshwater drum, malachigan, roncador de agua dulce
  Apodichthys flavidus Girard, 1854 -- valid -- penpoint gunnel
  Apodichthys fucorum Jordan and Gilbert, 1880 -- valid -- espinoso de marea zacatero, rockweed gunnel
  Apogon affinis (Poey, 1875) -- valid -- bigtooth cardinalfish, cardenal dentudo, cardenal dientón
  Apogon aurolineatus (Mowbray in Breder, 1927) -- valid -- bridle cardinalfish, cardenal frenado
  Apogon binotatus (Poey, 1867) -- valid -- barred cardinalfish, cardenal barreado, cardenal rayado
  Apogon guadalupensis (Osburn and Nichols, 1916) -- valid -- cardenal mexicano, Guadaloupe cardinalfish, Guadalupe cardinalfish
  Apogon lachneri Böhlke, 1959 -- valid -- cardenal estrella blanca, whitestar cardinalfish
  Apogon leptocaulus Gilbert, 1972 -- valid -- slendertail cardinalfish
  Apogon maculatus (Poey, 1860) -- valid -- cardenal manchado, flamefish, saddletailed cardinalfish
  Apogon phenax Böhlke and Randall, 1968 -- valid -- cardenal mimético, mimic cardinalfish
  Apogon pillionatus Böhlke and Randall, 1968 -- valid -- broadsaddle cardinalfish, cardenal colirrayada
  Apogon planifrons Longley and Hildebrand, 1940 -- valid -- cardenal pálido, pale cardinalfish
  Apogon pseudomaculatus Longley, 1932 -- valid -- cardenal de dos puntos, cardenal dos puntos, twospot cardinalfish
  Apogon quadrisquamatus Longley, 1934 -- valid -- cardenal espinoso, sawcheek cardinalfish
  Apogon townsendi (Breder, 1927) -- valid -- belted cardinalfish, cardenal cincho, cardenal con cinto
  Apristurus brunneus (Gilbert, 1892) -- valid -- brown cat shark, pejegato marrón
  Aprodon cortezianus Gilbert, 1890 -- invalid -- bigfin eelpout
  Aprognathodon platyventris Böhlke, 1967 -- valid -- stripe eel
  Apsilus dentatus Guichenot, 1853 -- valid -- arnillo, black snapper, pargo lamparita
  Apterichtus ansp (Böhlke, 1968) -- valid -- academy eel
  Apterichtus kendalli (Gilbert, 1891) -- valid -- finless eel
  Aptocyclus ventricosus (Pallas, 1769) -- valid -- smooth lumpsucker
  Archaulus biseriatus Gilbert and Burke, 1912 -- invalid -- scaled sculpin
  Archoplites interruptus (Girard, 1854) -- valid -- Sacramento perch
  Archosargus probatocephalus (Walbaum, 1792) -- valid -- sargo chopa, sheepshead
  Archosargus rhomboidalis (Linnaeus, 1758) -- valid -- salema, sargo amarillo, sea bream
  Arctogadus borisovi Dryagin, 1932 -- valid -- east Siberian cod, toothed cod
  Arctogadus glacialis (Peters, 1872) -- valid -- Arctic cod, polar cod
  Arctoscopus japonicus (Steindachner, 1881) -- valid -- sailfin sandfish
  Argentina sialis Gilbert, 1890 -- valid -- argentina del Pacífico, Pacific argentine
  Argentina silus (Ascanius, 1775) -- valid -- Atlantic argentine, grande argentine
  Argentina striata Goode and Bean, 1896 -- valid -- argentina, argentina estriada, striated argentine
  Ariomma bondi Fowler, 1930 -- valid -- pastorcillo lucia, pastorcillo lucía, silver-rag
  Ariomma melanum (Ginsburg, 1954) -- valid -- brown driftfish, pastorcillo café
  Ariomma regulus (Poey, 1868) -- valid -- pastorcillo aquillado, spotted driftfish
  Ariosoma anale (Poey, 1860) -- valid -- congrio estirado, longtrunk conger
  Ariosoma balearicum (Delaroche, 1809) -- valid -- bandtooth conger, congrio algino, congrio balear
  Arius felis (Linnaeus, 1766) -- invalid -- hardhead catfish
  Artediellus atlanticus Jordan and Evermann, 1898 -- valid -- Atlantic hookear sculpin, hameçon atlantique
  Artediellus scaber Knipowitsch, 1907 -- valid -- hamecon, rough hookear sculpin
  Artediellus uncinatus (Reinhardt, 1834) -- valid -- Arctic hookear sculpin, hameçon neigeux
  Artedius corallinus (Hubbs, 1926) -- valid -- charrasco coralino, coralline sculpin
  Artedius fenestralis Jordan and Gilbert, 1883 -- valid -- padded sculpin
  Artedius harringtoni (Starks, 1896) -- valid -- scalyhead sculpin
  Artedius lateralis (Girard, 1854) -- valid -- charrasco cabeza lisa, smoothhead sculpin
  Artedius notospilotus Girard, 1856 -- valid -- bonehead sculpin, bonyhead sculpin, charrasco huesudo
  Ascelichthys rhodorus Jordan and Gilbert, 1880 -- valid -- rosylip sculpin
  Asemichthys taylori Gilbert, 1912 -- valid -- spinynose sculpin
  Aspidophoroides bartoni Gilbert, 1896 -- valid -- Aleutian alligatorfish
  Aspidophoroides monopterygius (Bloch, 1786) -- valid -- alligatorfish, poisson-alligator atlantique
  Aspidophoroides olriki Lütken, 1877 -- invalid -- Arctic alligatorfish, poisson-alligator arctique
  Assurger anzac (Alexander, 1917) -- valid -- razorback scabbardfish, sable aserrado
  Astrapogon alutus (Jordan and Gilbert, 1882) -- valid -- bronze cardinalfish, cardenal bronceado
  Astrapogon puncticulatus (Poey, 1867) -- valid -- blackfin cardinalfish, cardenal punteado
  Astrapogon stellatus (Cope, 1867) -- valid -- cardenal del cobo, conchfish
  Astronotus ocellatus (Agassiz in Spix and Agassiz, 1831) -- valid -- oscar
  Astroscopus guttatus Abbott, 1860 -- valid -- northern stargazer
  Astroscopus y-graecum (Cuvier in Cuvier and Valenciennes, 1829) -- valid -- miracielo del sureste, southern stargazer
  Astyanax mexicanus (De Filippi, 1853) -- valid -- Mexican tetra, sardinita mexicana
  Atheresthes evermanni Jordan & Starks, 1904 -- valid -- Kamchatka flounder, Kamchatka Flounder
  Atheresthes stomias (Jordan & Gilbert, 1880) -- valid -- arrowtooth flounder, Arrowtooth Flounder, plie à grande bouche
  Atherinidae -- valid -- athérines, Old World silversides, silversides, tinícalos
  Atherinomorus stipes (Müller and Troschel in Schomburgk, 1848) -- valid -- cabezote, hardhead silverside, tinícalo cabezón
  Atherinops affinis (Ayres, 1860) -- valid -- pejerrey pescadillo, topsmelt
  Atherinopsis californiensis Girard, 1854 -- valid -- jacksmelt, pejerrey mocho
  Atractoscion nobilis (Ayres, 1860) -- valid -- corvina cabaicucho, white seabass
  Atractosteus spatula (Lacepède, 1803) -- valid -- alligator gar, catán
  Aulopus nanae Mead, 1958 -- valid -- aulopus amarillento, yellowfin aulopus
  Aulorhynchus flavidus Gill, 1861 -- valid -- trompudo sargacero, tube-snout, tubesnout
  Aulostomus maculatus Valenciennes, 1837 -- valid -- Atlantic trumpetfish, trompa, trompeta del Atlántico, trumpetfish
  Auxis rochei (Risso, 1810) -- valid -- bonitou, bullet mackerel, bullet tuna, long corseletted frigate mackerel, melvera
  Auxis thazard (Lacepède, 1800) -- valid -- auxide, frigate mackerel, frigate tuna, melva
  Awaous tajasica (Lichtenstein, 1822) -- valid -- river goby, sirajo
  Bagre marinus (Mitchill, 1815) -- valid -- bagre, bagre bandera, gafftopsail catfish
  Bagre panamensis (Gill, 1863) -- valid -- bagre chihuil, chihuil
  Bairdiella batabana (Poey, 1860) -- invalid -- blue croaker, ronco azul
  Bairdiella chrysoura (Lacepède, 1802) -- valid -- ronco amarillo, silver perch
  Bairdiella icistia (Jordan and Gilbert, 1882) -- valid -- bairdiella, corbineta, ronco roncacho
  Bairdiella sanctaeluciae (Jordan, 1890) -- invalid -- corvina Santa Lucía, ronco caribeño, striped croaker
  Balistes capriscus Gmelin, 1789 -- valid -- baliste capri, cochino gris, Gray Triggerfish, gray triggerfish, pejepuerco blanco
  Balistes polylepis Steindachner, 1876 -- valid -- cochi, Finescale Triggerfish, finescale triggerfish
  Balistes vetula Linnaeus, 1758 -- valid -- baliste royal, cochino, queen triggerfish, Queen Triggerfish
  Barbulifer ceuthoecus (Jordan and Gilbert, 1884) -- valid -- bearded goby
  Bascanichthys bascanium (Jordan, 1884) -- valid -- sooty eel, tieso tiznado
  Bascanichthys scuticaris (Goode and Bean, 1880) -- valid -- safío pardo, whip eel
  Bathyagonus alascanus (Gilbert, 1896) -- valid -- gray starsnout
  Bathyagonus infraspinatus (Gilbert, 1904) -- valid -- spinycheek starsnout
  Bathyagonus nigripinnis Gilbert, 1890 -- valid -- blackfin poacher
  Bathyagonus pentacanthus (Gilbert, 1890) -- valid -- bigeye poacher
  Bathyagonus swani (Steindachner, 1876) -- invalid -- rockhead
  Bathyanthias mexicanus (Schultz, 1958) -- valid -- mero cola amarilla, yellowtail bass
  Bathygobius curacao (Metzelaar, 1919) -- valid -- gobio jaspeado, notchtongue goby
  Bathygobius mystacium Ginsburg, 1947 -- valid -- gobio bandeado, island frillfin
  Bathygobius soporator (Valenciennes in Cuvier and Valenciennes, 1837) -- valid -- frillfin goby, gobio mapo, mapo aguado
  Bathymaster caeruleofasciatus Gilbert and Burke, 1912 -- valid -- Alaskan ronquil
  Bathymaster leurolepis McPhail, 1965 -- valid -- smallmouth ronquil
  Bathymaster signatus Cope, 1873 -- valid -- searcher
  Bathyraja aleutica (Gilbert, 1896) -- valid -- Aleutian skate
  Bathyraja interrupta (Gill and Townsend, 1897) -- valid -- Bering skate, sandpaper skate
  Bathyraja parmifera (Bean, 1881) -- valid -- Alaska skate
  Bathyraja trachura (Gilbert, 1892) -- valid -- roughtail skate
  Bellator brachychir (Regan, 1914) -- valid -- rubio aleticorta, shortfin searobin
  Bellator egretta (Goode and Bean, 1896) -- valid -- espátula bandera, rubio gallardete, streamer searobin
  Bellator militaris (Goode and Bean, 1896) -- valid -- horned searobin, rubio soldadito
  Bellator xenisma (Jordan and Bollman, 1890) -- valid -- splitnose searobin, vaca doble hocico
  Belonesox belizanus Kner, 1860 -- valid -- picudito, pike killifish, piketop minnow
  Bembrops anatirostris Ginsburg, 1955 -- valid -- duckbill flathead, longnose duckbill, pico de pato
  Bembrops gobioides (Goode, 1880) -- valid -- goby duckbill, goby flathead, pico de pala
  Benthalbella dentata (Chapman, 1939) -- valid -- northern pearleye, perlado norteño
  Benthodesmus elongatus (Clarke, 1879) -- valid -- bigeyed scabbardfish, elongate frostfish, frostfish, sable delgado, slender frostfish
  Blepsias bilobus Cuvier in Cuvier and Valenciennes, 1829 -- valid -- crested sculpin
  Blepsias cirrhosus (Pallas, 1814) -- valid -- silverspotted sculpin
  Bodianus pulchellus (Poey, 1860) -- valid -- pez perro de cola amarilla, spotfin hogfish, vieja lomo negro
  Bodianus rufus (Linnaeus, 1758) -- valid -- pez perro español, Spanish hogfish, vieja española
  Bollmannia boqueronensis Evermann and Marsh, 1899 -- valid -- white-eye goby
  Bollmannia communis Ginsburg, 1942 -- valid -- gobio andrajoso, ragged goby
  Boreogadus saida (Lepechin, 1774) -- valid -- Arctic cod, polar cod, saida franc, saïda franc
  Bothrocara pusillum (Bean, 1890) -- valid -- Alaska eelpout
  Bothus lunatus (Linnaeus, 1758) -- valid -- lenguado lunado, Peacock Flounder, peacock flounder
  Bothus ocellatus (Agassiz in Spix & Agassiz, 1831) -- valid -- chueco playón, Eyed Flounder, eyed flounder, lenguado ocelado, plie oculée
  Bothus robinsi Topp & Hoff, 1972 -- valid -- chueco dos manchas, Twospot Flounder, twospot flounder
  Brachyistius frenatus Gill, 1862 -- valid -- kelp perch, mojarra sargacera
  Brama brama (Bonnaterre, 1788) -- valid -- Atlantic pomfret, brama
  Brama caribbea Mead, 1972 -- valid -- Caribbean pomfret, tristón del Caribe
  Brama dussumieri Cuvier in Cuvier and Valenciennes, 1831 -- valid -- lowfin pomfret
  Brama japonica Hilgendorf, 1878 -- valid -- Pacific pomfret, tristón del Pacífico
  Brama orcini Cuvier in Cuvier and Valenciennes, 1831 -- valid -- bigtooth pomfret, tropical pomfret
  Bregmaceros atlanticus Goode and Bean, 1886 -- valid -- antenna codlet, bacalete antena, ciliado
  Bregmacerotidae Gill, 1872 -- valid -- bacaletes, bregmacerotid codfishes, codlets, varlets
  Brevoortia gunteri Hildebrand, 1948 -- valid -- finescale menhaden, sardina escamitas
  Brevoortia patronus Goode, 1878 -- valid -- Gulf menhaden, largescale menhaden, sardina lacha
  Brevoortia smithi Hildebrand, 1941 -- valid -- yellowfin menhaden
  Brevoortia tyrannus (Latrobe, 1802) -- valid -- alose tyran, Atlantic menhaden, bugfish, bunker, fatback, menhaden, mossbunker
  Brosme brosme (Ascanius, 1772) -- valid -- brosme, cusk, torsk, tusk
  Brosmophycis marginata (Ayres, 1854) -- valid -- brótula roja, red brotula
  Brotula barbata (Bloch and Schneider, 1801) -- valid -- Atlantic bearded brotula, bearded brotula, brótula, brótula barbona
  Bryozoichthys lysimus (Jordan and Snyder, 1902) -- valid -- nutcracker prickleback
  Bryozoichthys marjorius McPhail, 1970 -- valid -- pearly prickleback
  Bryx dunckeri (Metzelaar, 1919) -- valid -- pez pipa ñato, pugnose pipefish, trompetero nariz-corto
  Bythitidae -- valid -- brotulas, brótulas vivíparas, donzelles vivipares, viviparous brotulas
  Caelorinchus caelorhincus (Risso, 1810) -- valid -- granadero tristón, grenadier acorazado, grenadier raton, hollowsnout grenadier, saddled grenadier
  Caelorinchus caribbaeus (Goode and Bean, 1885) -- valid -- blackfin grenadier, granadero alinegro, granadero caribeño
  Calamus arctifrons Goode and Bean, 1882 -- valid -- grass porgy
  Calamus bajonado (Bloch and Schneider, 1801) -- valid -- bajonao violáceo, jolthead porgy, pluma
  Calamus brachysomus (Lockington, 1880) -- valid -- Pacific porgy, pluma marotilla
  Calamus calamus (Valenciennes in Cuvier and Valenciennes, 1830) -- valid -- pez de pluma, saucereye porgy
  Calamus leucosteus Jordan and Gilbert in Jordan, 1885 -- valid -- pluma golfina, whitebone porgy
  Calamus nodosus Randall and Caldwell, 1966 -- valid -- knobbed porgy, mojarrón pecoso
  Calamus penna (Valenciennes in Cuvier and Valenciennes, 1830) -- valid -- pez de pluma manchado, pluma manchada, sheepshead porgy
  Calamus proridens Jordan and Gilbert, 1884 -- valid -- littlehead porgy, pez de pluma rayado, pluma jorobada
  Callechelys muraena Jordan and Evermann, 1887 -- valid -- blotched snake eel, tieso moteado
  Callechelys perryae Storey, 1939 -- invalid -- shorttail snake eel
  Callechelys springeri (Ginsburg, 1951) -- valid -- ridgefin eel
  Campostoma anomalum (Rafinesque, 1820) -- valid -- central stoneroller, rodapiedras del centro
  Campostoma oligolepis Hubbs and Greene, 1935 -- valid -- largescale stoneroller
  Campostoma ornatum Girard, 1856 -- valid -- Mexican stoneroller, rodapiedras mexicano
  Cantherhines macrocerus (Hollard in Guichenot, 1853) -- valid -- lija de lunares blancos, Whitespotted Filefish, whitespotted filefish
  Cantherhines pullus (Ranzani, 1842) -- valid -- lija colorada, Orangespotted Filefish, orangespotted filefish
  Canthidermis maculata (Bloch, 1786) -- valid -- cochito manchado, Rough Triggerfish, rough triggerfish, sobaco manchado
  Canthidermis sufflamen (Mitchill, 1815) -- valid -- lija, ocean triggerfish, Ocean Triggerfish, sobaco lija
  Canthigaster rostrata (Bloch, 1786) -- valid -- sharpnose puffer, Sharpnose Puffer, tamboril narizón, tamborín narizón
  Caralophia loxochila Böhlke, 1955 -- valid -- slantlip eel
  Carangidae -- valid -- carangues, jacks, jureles y pámpanos, pampanos, pompanos, saurels
  Caranx bartholomaei Cuvier in Cuvier and Valenciennes, 1833 -- invalid -- cojinuda amarilla, yellow jack
  Caranx caballus Günther, 1868 -- valid -- green jack, jurel bonito
  Caranx caninus Günther, 1867 -- valid -- jurel toro, Pacific crevalle jack
  Caranx crysos (Mitchill, 1815) -- valid -- blue runner, cojinúa, cojinuda negra
  Caranx dentex (Bloch and Schneider, 1801) -- invalid -- underjaw kingfish, white trevally
  Caranx hippos (Linnaeus, 1766) -- valid -- crevalle jack, jiguagua, jurel común
  Caranx latus Agassiz in Spix and Agassiz, 1831 -- valid -- gallego, horse-eye jack, jurel blanco
  Caranx lugubris Poey, 1860 -- valid -- black jack, jurel negro, tiñosa
  Caranx ruber (Bloch, 1793) -- invalid -- bar jack, cibí carbonero, cojinuda carbonera
  Carapidae -- valid -- aurins, pearlfishes, perleros
  Carapus bermudensis (Jones, 1874) -- valid -- Atlantic pearlfish, fierásfer, pearlfish, perlero del Atlántico
  Carassius auratus (Linnaeus, 1758) -- valid -- carassin, carpa dorada, goldfish
  Carcharhinus acronotus (Poey, 1860) -- valid -- blacknose shark, tiburón cangüay, tiburón limón
  Carcharhinus altimus (Springer, 1950) -- valid -- baboso, bignose shark, tiburón narizón
  Carcharhinus brachyurus (Günther, 1870) -- valid -- bronze whaler, copper shark, narrowtooth shark, tiburón cobrizo
  Carcharhinus brevipinna (Müller and Henle, 1839) -- valid -- spinner shark, tiburón curro, tiburón de arrecife
  Carcharhinus falciformis (Müller and Henle, 1839) -- valid -- jaquetón, silky shark, tiburón piloto
  Carcharhinus isodon (Müller and Henle, 1839) -- valid -- finetooth shark, galano dientefino, tiburón dentiliso
  Carcharhinus leucas (Müller and Henle, 1839) -- valid -- bull shark, cabeza de batea, tiburón toro
  Carcharhinus limbatus (Müller and Henle, 1839) -- valid -- balicero, blacktip shark, tiburón volador
  Carcharhinus longimanus (Poey, 1861) -- valid -- galano, oceanic whitetip shark, tiburón oceánico
  Carcharhinus obscurus (Lesueur, 1818) -- valid -- dusky shark, tiburón amarillo, tiburón gambuso
  Carcharhinus perezii (Poey, 1876) -- valid -- cabeza dura, Caribbean reef shark, reef shark, tiburón coralino
  Carcharhinus plumbeus (Nardo, 1827) -- valid -- arenero, sandbar shark, tiburón aleta de cartón
  Carcharhinus porosus (Ranzani, 1839) -- valid -- smalltail shark, tiburón poroso
  Carcharhinus signatus (Poey, 1868) -- valid -- night shark, tiburón de noche, tiburón nocturno
  Carcharodon carcharias (Linnaeus, 1758) -- valid -- great white shark, jaquetón de ley, requin blanc, tiburón blanco, white shark
  Careproctus longipinnis Burke, 1912 -- valid -- limace à longues nageoires, longfin snailfish
  Careproctus melanurus Gilbert, 1892 -- valid -- baboso colinegra, blacktail snailfish
  Carpiodes carpio (Rafinesque, 1820) -- valid -- matalote chato, river carpsucker
  Carpiodes cyprinus (Lesueur, 1817) -- valid -- couette, quillback, quillback carpsucker
  Carpiodes velifer (Rafinesque, 1820) -- valid -- highfin carpsucker
  Catostomidae -- valid -- catostomes, matalotes, suckers
  Catostomus ardens Jordan and Gilbert, 1881 -- valid -- Utah sucker
  Catostomus bernardini Girard, 1856 -- valid -- matalote yaqui, Yaqui sucker
  Catostomus catostomus (Forster, 1773) -- valid -- longnose sucker, meunier rouge
  Catostomus clarki Baird and Girard, 1854 -- invalid -- desert sucker
  Catostomus clarkii Baird and Girard, 1854 -- valid -- desert sucker, matalote del desierto
  Catostomus columbianus (Eigenmann and Eigenmann, 1893) -- valid -- bridgelip sucker
  Catostomus commersoni (Lacepède, 1803) -- invalid -- meunier noir, white sucker
  Catostomus commersonii (Lacepède, 1803) -- valid -- meunier noir, white sucker
  Catostomus discobolus Cope, 1871 -- valid -- bluehead sucker
  Catostomus fecundus Cope and Yarrow, 1875 -- invalid -- Webug sucker
  Catostomus fumeiventris Miller, 1973 -- valid -- Owens sucker
  Catostomus insignis Baird and Girard, 1854 -- valid -- matalote de Sonora, Sonora sucker
  Catostomus latipinnis Baird and Girard, 1853 -- valid -- flannelmouth sucker
  Catostomus luxatus (Cope, 1879) -- invalid -- Lost River sucker
  Catostomus macrocheilus Girard, 1856 -- valid -- largescale sucker
  Catostomus microps Rutter, 1908 -- valid -- Modoc sucker
  Catostomus occidentalis Ayres, 1854 -- valid -- Sacramento sucker
  Catostomus platyrhynchus (Cope, 1874) -- valid -- mountain sucker
  Catostomus plebeius Baird and Girard, 1854 -- valid -- matalote del Bravo, Rio Grande sucker
  Catostomus rimiculus Gilbert and Snyder in Gilbert, 1898 -- valid -- Klamath smallscale sucker
  Catostomus santaanae (Snyder, 1908) -- valid -- Santa Ana sucker
  Catostomus snyderi Gilbert, 1898 -- valid -- Klamath largescale sucker
  Catostomus tahoensis Gill and Jordan in Jordan, 1878 -- valid -- Tahoe sucker
  Catostomus warnerensis Snyder, 1908 -- valid -- Warner sucker
  Caulolatilus chrysops (Valenciennes in Cuvier and Valenciennes, 1833) -- valid -- blanquillo ojo amarillo, goldface tilefish, tumba dorada
  Caulolatilus cyanops Poey, 1866 -- valid -- blackline tilefish, domingo, tumba
  Caulolatilus intermedius Howell Rivero, 1936 -- valid -- anchor tilefish, blanquillo payaso, tumba parda
  Caulolatilus microps Goode and Bean, 1878 -- valid -- blanquillo lucio, blueline tilefish
  Caulolatilus princeps (Jenyns, 1840) -- valid -- ocean whitefish, pierna
  Cebidichthys violaceus (Girard, 1854) -- valid -- abrojo cara de mono, monkeyface prickleback
  Centrarchus macropterus (Lacepède, 1801) -- valid -- flier, peacock sunfish, round sunfish
  Centrolophus medusophagus Cocco, 1839 -- invalid -- brown ruff
  Centrolophus niger (Gmelin, 1789) -- valid -- black ruff
  Centropomus ensiferus Poey, 1860 -- valid -- robalo de espolón, róbalo espinoso, swordspine snook
  Centropomus parallelus Poey, 1860 -- valid -- chucumite, fat snook, robalito, smallscale fat snook
  Centropomus pectinatus Poey, 1860 -- valid -- constantino, róbalo prieto, tarpon snook
  Centropomus undecimalis (Bloch, 1792) -- valid -- common snook, robalo blanco, róbalo común, snook
  Centropristis fuscula (Poey, 1861) -- valid -- serrano oliváceo, twospot sea bass
  Centropristis ocyurus (Jordan and Evermann, 1887) -- valid -- bank sea bass, cabrilla de banco
  Centropristis philadelphica (Linnaeus, 1758) -- valid -- cabrilla serrana, rock sea bass
  Centropristis striata (Linnaeus, 1758) -- valid -- black sea bass
  Centropyge argi Woods and Kanazawa, 1951 -- valid -- angelote pigmeo, cherubfish
  Centroscyllium fabricii (Reinhardt, 1825) -- valid -- aiguillat noir, black dogfish
  Centroscymnus coelolepis Barbosa du Bocage and Brito Capello, 1864 -- valid -- Portuguese dogfish, Portuguese shark, tiburón portugués
  Cephaloscyllium ventriosum (Garman, 1880) -- valid -- pejegato globo, swell shark
  Ceratiidae -- valid -- deepsea anglerfishes, peces anzuelo, poissons-pêcheurs, seadevils
  Ceratoscopelus townsendi (Eigenmann and Eigenmann, 1889) -- valid -- diente de perro, dogtooth lampfish
  Cerdale floridana Longley, 1934 -- valid -- pugjaw wormfish
  Cetengraulis mysticetus (Günther, 1867) -- valid -- anchoveta, anchoveta bocona, Pacific anchoveta
  Cetorhinus maximus (Gunnerus, 1765) -- valid -- basking shark, pèlerin, pez elefante, tiburón peregrino
  Chaenobryttus gulosus (Cuvier in Cuvier and Valenciennes, 1829) -- invalid -- warmouth
  Chaenopsis alepidota (Gilbert, 1890) -- valid -- orangethroat pikeblenny, tubícola lucio
  Chaenopsis limbaughi Robins and Randall, 1965 -- valid -- yellowface pikeblenny
  Chaenopsis ocellata Poey in Gill, 1865 -- valid -- bluethroat pikeblenny, sapito afilado, tubícola afilado
  Chaetodipterus faber (Broussonet, 1782) -- valid -- Atlantic spadefish, chabela, paguala
  Chaetodipterus zonatus (Girard, 1858) -- valid -- chambo, Pacific spadefish
  Chaetodon aculeatus (Poey, 1860) -- invalid -- longsnout butterflyfish, parche narizón
  Chaetodon aya Jordan, 1886 -- invalid -- bank butterflyfish
  Chaetodon capistratus Linnaeus, 1758 -- valid -- foureye butterflyfish, mariposa ocelada, parche ocelado
  Chaetodon falcifer Hubbs and Rechnitzer, 1958 -- invalid -- scythe butterflyfish
  Chaetodon ocellatus Bloch, 1787 -- valid -- mariposa perla amarilla, parche ocelado amarillo, spotfin butterflyfish
  Chaetodon sedentarius Poey, 1860 -- valid -- mariposa parche, parche mariposa, reef butterflyfish
  Chaetodon striatus Linnaeus, 1758 -- valid -- banded butterflyfish, mariposa rayada, parche rayado
  Chascanopsetta lugubris Alcock, 1894 -- valid -- pelican flounder
  Chasmistes brevirostris Cope, 1879 -- valid -- short-nose sucker, shortnose sucker
  Chasmistes cujus Cope, 1883 -- valid -- cui-ui
  Chasmistes fecundus (Cope and Yarrow, 1875) -- valid -- webug sucker
  Chasmistes liorus Jordan, 1878 -- valid -- June sucker
  Chasmodes bosquianus (Lacepède, 1800) -- valid -- striped blenny
  Chasmodes saburrae Jordan and Gilbert, 1882 -- valid -- Florida blenny
  Chauliodus macouni Bean, 1890 -- valid -- Pacific viperfish, víbora del Pacífico
  Chaunacidae -- valid -- coffinfishes, crapauds de mer, gapers, gómitas, sea toads
  Chaunax stigmaeus Fowler, 1946 -- valid -- redeye gaper
  Cheilotrema saturnum (Girard, 1858) -- valid -- black croaker, corvinata negra
  Chilara taylori (Girard, 1858) -- valid -- congriperla moteada, spotted cusk-eel
  Chilomycterus affinis Günther, 1870 -- invalid -- Pacific burrfish
  Chilomycterus antennatus (Cuvier, 1816) -- valid -- bridled burrfish, Bridled Burrfish, guanábana manchada, pez erizo de riendas
  Chilomycterus antillarum Jordan & Rutter, 1897 -- valid -- guanábana antillana, guanábana caribeña, Web Burrfish, web burrfish
  Chilomycterus atinga (Linnaeus, 1758) -- invalid -- spotted burrfish
  Chilomycterus atringa (Linnaeus, 1758) -- invalid -- guanábana, spotted burrfish
  Chilomycterus schoepfi (Walbaum, 1792) -- invalid -- burrfish, porcupinefish, striped burrfish
  Chilorhinus suensoni Lütken, 1852 -- invalid -- anguililla bembona
  Chimaeridae Bonaparte, 1831 -- valid -- chimaeras, chimères, quimeras, ratfishes, shortnose chimaeras, shortnosed chimaeras
  Chirolophis ascanii (Walbaum, 1792) -- valid -- Atlantic warbonnet, toupet marbré
  Chirolophis decoratus (Jordan and Snyder, 1902) -- valid -- decorated warbonnet
  Chirolophis nugator (Jordan and Williams in Jordan and Starks, 1895) -- valid -- mosshead warbonnet
  Chirolophis tarsodes (Jordan and Snyder, 1902) -- valid -- matcheek warbonnet
  Chitonotus pugetensis (Steindachner, 1876) -- valid -- charrasco espalda rugosa, roughback sculpin
  Chlamydoselachus anguineus Garman, 1884 -- valid -- frill shark, frilled shark, tiburón anguila
  Chlopsis bicolor Rafinesque, 1810 -- valid -- bicolor eel
  Chlorophthalmus agassizi Bonaparte, 1840 -- valid -- ojiverde chato, ojiverde ñato, shortnose greeneye
  Chloroscombrus chrysurus (Linnaeus, 1766) -- valid -- Atlantic bumper, casabe, horqueta del Atlántico
  Chloroscombrus orqueta Jordan and Gilbert, 1883 -- valid -- horqueta del Pacífico, Pacific bumper
  Chologaster agassizii Putnam, 1872 -- invalid -- spring cavefish
  Chologaster cornuta Agassiz, 1853 -- valid -- swampfish
  Chriodorus atherinoides Goode and Bean, 1882 -- valid -- hardhead halfbeak, pajarito cabezidura, pejerrey
  Chromis cyanea (Poey, 1860) -- valid -- blue chromis, castañeta azul, cromis azul
  Chromis enchrysura Jordan and Gilbert, 1882 -- valid -- castañeta coliamarilla, yellowtail reeffish
  Chromis enchrysurus Jordan and Gilbert, 1882 -- invalid -- yellowtail reeffish
  Chromis insolata (Cuvier in Cuvier and Valenciennes, 1830) -- valid -- castañeta sol, cromis sol, sunshinefish
  Chromis multilineata (Guichenot, 1853) -- valid -- brown chromis, castañeta parda, cromis prieto
  Chromis punctipinnis (Cooper, 1863) -- valid -- blacksmith, castañeta herrera
  Chromis scotti Emery, 1968 -- valid -- castañeta púrpura, cromis púrpura, purple reeffish
  Cichlasoma bimaculatum (Linnaeus, 1758) -- valid -- black acara, twospotted cichlid
  Cichlasoma cyanoguttatum (Baird and Girard, 1854) -- invalid -- mojarra del norte, Rio Grande cichlid, Rio Grande perch
  Cichlasoma nigrofasciatum (Günther, 1867) -- invalid -- convict cichlid, mojarra convicto, zebra cichlid
  Cichlasoma octofasciatum (Regan, 1903) -- invalid -- eightbanded cichlid, Jack Dempsey, mojarra castarrica
  Cichlasoma severum (Heckel, 1840) -- invalid -- banded cichlid
  Citharichthys arctifrons Goode, 1880 -- valid -- Gulf Stream flounder, Gulf Stream Flounder, lenguado golfino, plie du gulf stream
  Citharichthys arenaceus Evermann & Marsh, 1900 -- valid -- lenguado arenero, Sand Whiff, sand whiff
  Citharichthys cornutus (Günther, 1880) -- valid -- horned whiff, Horned Whiff, lenguado cornudo
  Citharichthys fragilis Gilbert, 1890 -- valid -- Gulf sanddab, Gulf Sanddab, lenguado flaco
  Citharichthys gymnorhinus Gutherz & Blackman, 1970 -- valid -- anglefin whiff, Anglefin Whiff
  Citharichthys macrops Dresel, 1885 -- valid -- lenguado manchado, Spotted Whiff, spotted whiff
  Citharichthys sordidus (Girard, 1854) -- valid -- lenguado moteado, limande sordide, Pacific Sanddab, Pacific sanddab
  Citharichthys spilopterus Günther, 1862 -- valid -- bay whiff, Bay Whiff, lenguado pardo
  Citharichthys stigmaeus Jordan & Gilbert, 1882 -- valid -- lenguado pecoso, limande tachetée, Speckled Sanddab, speckled sanddab
  Citharichthys xanthostigma Gilbert, 1890 -- valid -- lenguado alón, Longfin Sanddab, longfin sanddab
  Clarias batrachus (Linnaeus, 1758) -- valid -- clarias catfish, walking catfish
  Clepticus parrae (Bloch and Schneider, 1801) -- valid -- creole wrasse, doncella mulata, rabirrubia genízara
  Clevelandia ios (Jordan and Gilbert, 1882) -- valid -- arrow goby, gobio flecha
  Clinocottus acuticeps (Gilbert, 1896) -- valid -- sharpnose sculpin
  Clinocottus analis (Girard, 1858) -- valid -- charrasco lanudo, woolly sculpin
  Clinocottus embryum (Jordan and Starks, 1895) -- valid -- calico sculpin, charrasco angaripola
  Clinocottus globiceps (Girard, 1858) -- valid -- mosshead sculpin
  Clinocottus recalvus (Greeley, 1899) -- valid -- bald sculpin, charrasco pelón
  Clinostomus elongatus (Kirtland, 1840) -- valid -- redside dace
  Clinostomus funduloides Girard, 1856 -- valid -- rosyside dace
  Clupea harengus harengus Linnaeus, 1758 -- valid -- Atlantic herring, herring
  Clupea harengus pallasii Valenciennes in Cuvier and Valenciennes, 1847 -- invalid -- Pacific herring
  Clupeidae -- valid -- aloses, harengs, herrings, menhadens, pilchards, sardinas, sardines, sardines, shads, sprats, sprats
  Cobitidae -- valid -- loaches, lochas, loches
  Coelorhynchus coelorhynchus (Risso, 1810) -- invalid -- saddled grenadier
  Coelorinchus caribbaeus (Goode and Bean, 1885) -- invalid -- blackfin grenadier, granadero alinegro
  Coelorinchus coelorhinchus (Risso, 1810) -- invalid -- saddled grenadier
  Cololabis saira (Brevoort, 1856) -- valid -- Pacific saury, paparda del Pacífico
  Conger oceanicus (Mitchill, 1818) -- valid -- conger eel
  Conger triporiceps Kanazawa, 1958 -- valid -- congrio dentudo, manytooth conger
  Conodon nobilis (Linnaeus, 1758) -- valid -- barred grunt, ronco canario
  Coregonus artedii Lesueur, 1818 -- invalid -- cisco, lake herring
  Coregonus autumnalis (Pallas, 1776) -- valid -- Arctic cisco
  Coregonus clupeaformis (Mitchill, 1818) -- valid -- grand corégone, lake whitefish
  Coregonus hoyi (Gill in Hoy, 1872) -- invalid -- bloater
  Coregonus johannae (Wagner, 1910) -- valid -- deepwater cisco
  Coregonus kiyi (Koelz, 1921) -- valid -- kiyi
  Coregonus laurettae Bean, 1881 -- valid -- Bering cisco
  Coregonus nasus (Pallas, 1776) -- valid -- broad whitefish
  Coregonus nigripinnis (Gill in Hoy, 1872) -- invalid -- blackfin cisco
  Coregonus pidschian (Gmelin, 1789) -- valid -- humpback whitefish
  Coregonus reighardi (Koelz, 1924) -- valid -- shortnose cisco
  Coregonus sardinella Valenciennes in Cuvier and Valenciennes, 1848 -- valid -- least cisco
  Coregonus zenithicus (Jordan and Evermann, 1909) -- valid -- longjaw cisco, shortjaw cisco
  Corniger spinosus Agassiz in Spix and Agassiz, 1831 -- valid -- candil espinoso, spinycheek soldierfish
  Coryphaena equiselis Linnaeus, 1758 -- valid -- dorado enano, pompano dolphin, pompano dolphinfish
  Coryphaena hippurus Linnaeus, 1758 -- valid -- dolphin, dolphinfish, dorado
  Coryphopterus alloides Böhlke and Robins, 1960 -- valid -- barfin goby
  Coryphopterus dicrus Böhlke and Robins, 1960 -- valid -- colon goby, gobio colón, gobio dos puntos
  Coryphopterus eidolon Böhlke and Robins, 1960 -- valid -- gobio pálido, pallid goby
  Coryphopterus glaucofraenum Gill, 1863 -- valid -- bridled goby, gobio con brida, gobio de riendas
  Coryphopterus hyalinus Böhlke and Robins, 1962 -- valid -- glass goby, gobio cristal, gobio de cristal
  Coryphopterus lipernes Böhlke and Robins, 1962 -- valid -- gobio linterna, peppermint goby
  Coryphopterus nicholsi (Bean, 1882) -- invalid -- blackeye goby
  Coryphopterus personatus (Jordan and Thompson, 1905) -- valid -- gobio enmascarado, gobio mapache, masked goby
  Coryphopterus punctipectophorus Springer, 1960 -- valid -- gobio punteado, spotted goby
  Coryphopterus thrix Böhlke and Robins, 1960 -- valid -- bartail goby, gobio listado
  Cosmocampus albirostris (Kaup, 1856) -- valid -- pez pipa hocico blanco, whitenose pipefish
  Cosmocampus arctus (Jenkins and Evermann, 1889) -- valid -- pez pipa chato, snubnose pipefish
  Cosmocampus brachycephalus (Poey, 1868) -- valid -- crested pipefish, pez pipa crestado, trompetero ñato
  Cosmocampus elucens (Poey, 1868) -- valid -- pez pipa aletilla, shortfin pipefish, trompetero brillante
  Cosmocampus hildebrandi (Herald, 1965) -- valid -- dwarf pipefish
  Cosmocampus profundus (Herald, 1965) -- valid -- deepwater pipefish, pez pipa de lo alto
  Cottus aleuticus Gilbert, 1896 -- valid -- coastrange sculpin
  Cottus asper Richardson, 1836 -- valid -- prickly sculpin
  Cottus asperrimus Rutter, 1908 -- valid -- rough sculpin
  Cottus baileyi Robins, 1961 -- valid -- black sculpin
  Cottus bairdii Girard, 1850 -- valid -- chabot tacheté, mottled sculpin
  Cottus beldingii Eigenmann and Eigenmann, 1891 -- valid -- Paiute sculpin
  Cottus carolinae (Gill, 1861) -- valid -- banded sculpin
  Cottus cognatus Richardson, 1836 -- valid -- chabot visqueux, slimy sculpin
  Cottus confusus Bailey and Bond, 1963 -- valid -- shorthead sculpin
  Cottus echinatus Bailey and Bond, 1963 -- valid -- Utah Lake sculpin
  Cottus extensus Bailey and Bond, 1963 -- valid -- Bear Lake sculpin
  Cottus girardi Robins, 1961 -- valid -- Potomac sculpin
  Cottus greenei (Gilbert and Culver in Jordan and Evermann, 1898) -- valid -- Shoshone sculpin
  Cottus gulosus (Girard, 1854) -- valid -- riffle sculpin
  Cottus klamathensis Gilbert, 1898 -- valid -- marbled sculpin
  Cottus leiopomus Gilbert and Evermann, 1894 -- valid -- Wood River sculpin
  Cottus marginatus (Bean, 1881) -- valid -- margined sculpin
  Cottus perplexus Gilbert and Evermann, 1894 -- valid -- reticulate sculpin
  Cottus pitensis Bailey and Bond, 1963 -- valid -- Pit sculpin
  Cottus princeps Gilbert, 1898 -- valid -- Klamath Lake sculpin
  Cottus pygmaeus Williams, 1968 -- invalid -- pygmy sculpin
  Cottus rhotheus (Smith, 1882) -- valid -- torrent sculpin
  Cottus ricei (Nelson, 1876) -- valid -- chabot à tête plate, spoonhead sculpin
  Cottus tenuis (Evermann and Meek, 1898) -- valid -- slender sculpin
  Couesius plumbeus (Agassiz, 1850) -- valid -- lake chub, méné de lac
  Crenichthys baileyi (Gilbert, 1893) -- valid -- White River springfish
  Crenichthys nevadae Hubbs, 1932 -- valid -- Railroad Valley springfish
  Cryptacanthodes maculatus Storer, 1839 -- valid -- terrassier tacheté, terrassier tâcheté, wrymouth
  Cryptopsaras couesi Gill, 1883 -- invalid -- pêcheur à trèfle, warted seadevil
  Cryptopsaras couesii Gill, 1883 -- valid -- anzuelo diablo, diablo marino, pêcheur à trèfle, triplewart seadevil, warted seadevil
  Cryptotomus roseus Cope, 1871 -- valid -- bluelip parrotfish, loro bembiazul, loro chimuelo
  Cryptotrema corallinum Gilbert, 1890 -- valid -- deepwater blenny, trambollo de profundidad
  Crystallaria asprella (Jordan, 1878) -- valid -- crystal darter
  Crystallichthys cyclospilus Gilbert and Burke, 1912 -- valid -- blotched snailfish
  Ctenopharyngodon idella (Valenciennes in Cuvier and Valenciennes, 1844) -- valid -- carpa herbívora, grass carp, silver orfe
  Cubiceps paradoxus Butler, 1979 -- valid -- derivante colón, longfin cigarfish
  Culaea inconstans (Kirtland, 1840) -- valid -- brook stickleback, épinoche à cinq épines
  Cycleptus elongatus (Lesueur, 1817) -- valid -- blue sucker, matalote azul
  Cyclopsetta chittendeni Bean, 1895 -- valid -- lenguado mexicano, Mexican Flounder, Mexican flounder
  Cyclopsetta fimbriata (Goode & Bean, 1885) -- valid -- lenguado aleta sucia, Spotfin Flounder, spotfin flounder
  Cyclopteropsis macalpini (Fowler, 1914) -- invalid -- Arctic lumpsucker
  Cyclopterus lumpus Linnaeus, 1758 -- valid -- grosse poule de mer, lumpfish
  Cymatogaster aggregata Gibbons, 1854 -- valid -- mojarra brillosa, shiner perch
  Cymatogaster aggregata gracilis Tarp, 1952 -- valid -- island seaperch, island seaperch
  Cynoscion arenarius Ginsburg, 1930 -- valid -- corvina arenera, sand seatrout
  Cynoscion nebulosus (Cuvier in Cuvier and Valenciennes, 1830) -- valid -- corvina pinta, spotted seatrout
  Cynoscion nothus (Holbrook, 1848) -- valid -- corvina plateada, silver seatrout
  Cynoscion parvipinnis Ayres, 1861 -- valid -- corvina aleta corta, shortfin corvina
  Cynoscion regalis (Bloch and Schneider, 1801) -- valid -- gray trout, sea trout, weakfish
  Cynoscion xanthulus Jordan and Gilbert, 1882 -- valid -- corvina boquinaranja, orangemouth corvina
  Cyprinella analostana Girard, 1859 -- valid -- satinfin shiner
  Cyprinella caerulea (Jordan, 1877) -- valid -- blue shiner
  Cyprinella callisema (Jordan, 1877) -- valid -- Ocmulgee shiner
  Cyprinella callistia (Jordan, 1877) -- valid -- Alabama shiner
  Cyprinella callitaenia (Bailey and Gibbs, 1956) -- valid -- bluestripe shiner
  Cyprinella camura (Jordan and Meek, 1884) -- valid -- bluntface shiner
  Cyprinella chloristia (Jordan and Brayton, 1878) -- valid -- greenfin shiner
  Cyprinella formosa (Girard, 1856) -- valid -- beautiful shiner, carpita yaqui
  Cyprinella galactura (Cope, 1868) -- valid -- whitetail shiner
  Cyprinella gibbsi (Howell and Williams, 1971) -- valid -- Tallapoosa shiner
  Cyprinella labrosa (Cope, 1870) -- valid -- thicklip chub, thicklip shiner
  Cyprinella leedsi (Fowler, 1942) -- valid -- bannerfin shiner
  Cyprinella lutrensis (Baird and Girard, 1853) -- valid -- carpita roja, red shiner
  Cyprinella monacha (Cope, 1868) -- invalid -- Chromium shiner, spotfin chub
  Cyprinella nivea (Cope, 1870) -- valid -- whitefin shiner
  Cyprinella pyrrhomelas (Cope, 1870) -- valid -- fieryblack shiner
  Cyprinella spiloptera (Cope, 1867) -- valid -- méné bleu, spotfin shiner
  Cyprinella trichroistia (Jordan and Gilbert in Jordan and Brayton, 1878) -- valid -- tricolor shiner
  Cyprinella venusta Girard, 1856 -- valid -- blacktail shiner, carpita colinegra
  Cyprinella whipplei Girard, 1856 -- valid -- steelcolor shiner
  Cyprinella xaenura (Jordan, 1877) -- valid -- Altamaha shiner
  Cyprinella zanema (Jordan and Brayton, 1878) -- invalid -- Santee chub, Santee shiner
  Cyprinidae -- valid -- carpas, carpas y carpitas, carpes, carpes et ménés, carpitas, carps, carps and minnows, ménés, minnows
  Cypriniformes -- valid -- cyprins, meuniers, minnows, suckers
  Cyprinodon bovinus Baird and Girard, 1853 -- valid -- Leon Springs pupfish
  Cyprinodon diabolis Wales, 1930 -- valid -- Devil's Hole pupfish, Devils Hole pupfish
  Cyprinodon elegans Baird and Girard, 1853 -- valid -- Comanche Springs pupfish
  Cyprinodon eximius Girard, 1859 -- valid -- cachorrito del Conchos, Conchos pupfish
  Cyprinodon hubbsi Carr, 1936 -- valid -- Lake Eustis minnow, Lake Eustis pupfish
  Cyprinodon macularius Baird and Girard, 1853 -- valid -- cachorrito del desierto, desert pupfish
  Cyprinodon nevadensis Eigenmann and Eigenmann, 1889 -- valid -- Amargosa pupfish
  Cyprinodon pecosensis Echelle and Echelle, 1978 -- valid -- Pecos pupfish
  Cyprinodon radiosus Miller, 1948 -- valid -- Owens pupfish
  Cyprinodon rubrofluviatilis Fowler, 1916 -- valid -- Red River pupfish
  Cyprinodon salinus Miller, 1943 -- valid -- Salt Creek pupfish
  Cyprinodon tularosa Miller and Echelle, 1975 -- valid -- White Sands pupfish
  Cyprinodon variegatus Lacepède, 1803 -- valid -- bolín, pipón, sheepshead minnow, sheepshead pupfish
  Cyprinodontidae Gill, 1865 -- valid -- cachorritos, cyprinodontes, cyprinodontids, killifishes, pupfishes, toothcarps
  Cyprinus carpio Linnaeus, 1758 -- valid -- carpa común, carpe, common carp, European carp
  Cypselurus californicus (Cooper, 1863) -- invalid -- California flyingfish
  Cypselurus comatus (Mitchill, 1815) -- valid -- clearwing flyingfish, volador de alas claras
  Cypselurus exsiliens (Linnaeus, 1771) -- invalid -- bandwing flyingfish, volador bandeado
  Dactylopterus Lacepède, 1801 -- valid
  Dactylopterus volitans (Linnaeus, 1758) -- valid -- alón volador, flying gurnard, pez murciélago
  Dactyloscopus crossotus Starks, 1913 -- valid -- bigeye stargazer
  Dactyloscopus tridigitatus Gill, 1859 -- valid -- miraestrellas ojilargo, mirón ojilargo, sand stargazer
  Dalatias licha (Bonnaterre, 1788) -- valid -- kitefin shark
  Dallia pectoralis Bean, 1880 -- valid -- Alaska blackfish
  Danaphos oculatus (Garman, 1899) -- valid -- bigeye lightfish
  Daramattus americanus (Nichols and Firth, 1939) -- invalid -- thorny tinselfish
  Dasyatis americana Hildebrand and Schroeder, 1928 -- valid -- raya americana, raya látigo blanca, southern stingray
  Dasyatis centroura (Mitchill, 1815) -- valid -- clam cracker, roughtail stingray, stingaree
  Dasyatis dipterura (Jordan and Gilbert, 1880) -- valid -- diamond stingray, raya látigo diamante
  Dasyatis sabina (Lesueur, 1824) -- valid -- Atlantic stingray, raya enana, raya látigo de espina
  Dasyatis say (Lesueur, 1817) -- valid -- bluntnose stingray, raya látigo chata, raya mediana
  Dasyatis violacea (Bonaparte, 1832) -- invalid -- pelagic stingray
  Dasycottus setiger Bean, 1890 -- valid -- spinyhead sculpin
  Decapterus macarellus (Cuvier in Cuvier and Valenciennes, 1833) -- valid -- antonino caballita, macarela caballa, mackerel scad
  Decapterus punctatus (Cuvier, 1829) -- valid -- antonino punteado, macarela chuparaco, round scad
  Decapterus scombrinus (Valenciennes, 1846) -- valid -- Mexican scad
  Decapterus tabl Berry, 1968 -- valid -- redtail scad
  Decodon puellaris (Poey, 1860) -- valid -- doncella de lo alto, red hogfish
  Deltistes luxatus (Cope, 1879) -- valid -- Lost River sucker
  Desmodema lorum Rosenblatt and Butler, 1977 -- valid -- listoncillo látigo, whiptail ribbonfish
  Desmodema polystictum (Ogilby, 1898) -- valid -- polka-dot ribbonfish
  Diaphus theta Eigenmann and Eigenmann, 1890 -- valid -- California headlightfish, linternilla californiana
  Diapterus auratus Ranzani, 1842 -- valid -- Irish pompano, mojarra guacha, patao común
  Diapterus plumieri (Cuvier in Cuvier and Valenciennes, 1830) -- invalid
  Diodon holocanthus Linnaeus, 1758 -- valid -- balloonfish, Balloonfish, hairy porcupinefish, pez erizo, pez erizo mapache
  Diodon hystrix Linnaeus, 1758 -- valid -- pez erizo pecoso, Porcupinefish, porcupinefish, puerco espín
  Diogenichthys laternatus (Garman, 1899) -- valid -- Diogenes lanternfish, linternilla de Diogenes
  Dionda diaboli Hubbs and Brown, 1957 -- valid -- carpa diabla, Devils River minnow
  Dionda episcopa Girard, 1856 -- valid -- carpa obispa, roundnose minnow
  Diplectrum bivittatum (Valenciennes in Cuvier and Valenciennes, 1828) -- valid -- dwarf sand perch, serrano guabino
  Diplectrum formosum (Linnaeus, 1766) -- valid -- sand perch, serrano, serrano arenero
  Diplodus argenteus (Valenciennes in Cuvier and Valenciennes, 1830) -- valid -- silver porgy
  Diplodus holbrookii (Bean, 1878) -- valid -- sargo cotonero, spottail pinfish
  Diplogrammus pauciradiatus (Gill, 1865) -- valid -- dragoncillo moteado, spotted dragonet
  Doratonotus megalepis Günther, 1862 -- valid -- doncella enana, dwarf wrasse
  Dormitator latifrons (Richardson, 1844) -- valid -- Pacific fat sleeper, puyeki
  Dormitator maculatus (Bloch, 1792) -- valid -- fat sleeper, guavina mapo, naca
  Dorosoma cepedianum (Lesueur, 1818) -- valid -- alose à gésier, American gizzard shad, eastern gizzard shad, gizzard shad, hickory shad, mud shad, sardina molleja, skipjack
  Dorosoma petenense (Günther, 1867) -- valid -- sardina maya, threadfin shad
  Dysomma anguillare Barnard, 1923 -- valid -- anguila panzacorta, blind arrowtooth eel, shortbelly eel
  Echeneis naucrates Linnaeus, 1758 -- valid -- guaicán, rémora rayada, sharksucker
  Echeneis neucratoides Zuiew, 1786 -- valid -- rémora filoblanco, whitefin sharksucker
  Echidna catenata (Bloch, 1795) -- valid -- chain moray, morena cadena, morena jaspeada
  Echinorhinus brucus (Bonnaterre, 1788) -- valid -- bramble shark
  Echinorhinus cookei Pietschmann, 1928 -- valid -- prickly shark, tiburón espinoso negro
  Echiophis intertinctus (Richardson, 1848) -- valid -- safío dentudo lunado, spotted spoon-nose eel, tieso cucharón manchado
  Echiophis mordax (Poey, 1860) -- valid -- snapper eel
  Echiophis punctifer (Kaup, 1860) -- valid -- safío dentudo punteado, snapper eel, stippled spoon-nose eel, tieso pecoso
  Elagatis bipinnulata (Quoy and Gaimard, 1825) -- valid -- macarela salmón, rainbow runner, salmón cubano
  Elassoma evergladei Jordan, 1884 -- valid -- Everglades pygmy sunfish
  Elassoma okefenokee Böhlke, 1956 -- valid -- Okefenokee pygmy sunfish
  Elassoma zonatum Jordan, 1877 -- valid -- banded pygmy sunfish
  Eleginus gracilis (Tilesius, 1810) -- valid -- saffron cod
  Eleotris picta Kner, 1863 -- valid -- guavina machada, spotted sleeper
  Eleotris pisonis (Gmelin, 1789) -- valid -- guavina espinosa, spinycheek sleeper
  Elops affinis Regan, 1909 -- valid -- machete, machete del Pacífico
  Elops saurus Linnaeus, 1766 -- valid -- banano, ladyfish, machete del Atlántico
  Embassichthys bathybius (Gilbert, 1890) -- valid -- deepsea sole, Deepsea Sole, platija de profundidad, plie de profondeur
  Embiotoca jacksoni Agassiz, 1853 -- valid -- black perch, mojarra negra
  Embiotoca lateralis Agassiz, 1854 -- valid -- mojarra azul, striped seaperch
  Emblemaria atlantica Jordan and Evermann, 1898 -- valid -- banner blenny
  Emblemaria pandionis Evermann and Marsh, 1900 -- valid -- sailfin blenny, sapito dragón, tubícola dragón
  Emblemaria piratula Ginsburg and Reid in Ginsburg, 1942 -- valid -- pirate blenny
  Emmelichthyops atlanticus Schultz, 1945 -- valid -- bonnetmouth
  Empetrichthys latos Miller, 1948 -- valid -- Pahrump killifish, Pahrump poolfish
  Empetrichthys merriami Gilbert, 1893 -- valid -- Ash Meadows killifish, Ash Meadows poolfish
  Enchelycore carychroa Böhlke and Böhlke, 1976 -- valid -- chestnut moray, morena castaña, morena parda
  Enchelycore nigricans (Bonnaterre, 1788) -- valid -- morena mulata, morena víbora, viper moray
  Enchelyopus cimbrius (Linnaeus, 1766) -- valid -- fourbeard rockling, motelle à quatre barbillons
  Engraulis eurystole (Swain and Meek, 1884) -- valid -- camiguana anchovy, silver anchovy
  Engraulis mordax Girard, 1854 -- valid -- anchoveta norteña, Californian anchoveta, North Pacific anchovy, northern anchovy
  Engyophrys senta Ginsburg, 1933 -- valid -- lenguado ojicornudo, Spiny Flounder, spiny flounder
  Enneacanthus chaetodon (Baird, 1855) -- valid -- blackbanded sunfish
  Enneacanthus gloriosus (Holbrook, 1855) -- valid -- bluespotted sunfish
  Enneacanthus obesus (Girard, 1854) -- valid -- banded sunfish, diamond sunfish, little sunfish
  Enneanectes altivelis Rosenblatt, 1960 -- valid -- lofty triplefin, sapito barreado, tres aletas de barras
  Enneanectes boehlkei Rosenblatt, 1960 -- valid -- roughhead triplefin, sapito rugoso, tres aletas rugoso
  Enneanectes pectoralis (Fowler, 1941) -- valid -- redeye triplefin, tres aletas aletón
  Enophrys bison (Girard, 1854) -- valid -- buffalo sculpin
  Enophrys diceraus (Pallas, 1787) -- valid -- antlered sculpin
  Enophrys lucasi (Jordan and Gilbert in Jordan and Evermann, 1898) -- valid -- leister sculpin
  Enophrys taurina Gilbert, 1914 -- valid -- bull sculpin
  Entomacrodus nigricans Gill, 1859 -- valid -- blenio perlado, borracho perlado, pearl blenny
  Eopsetta exilis (Jordan & Gilbert, 1880) -- invalid -- slender sole
  Eopsetta jordani (Lockington, 1879) -- valid -- petrale sole, Petrale Sole, platija petrale, plie de Californie
  Epinephelus adscensionis (Osbeck, 1765) -- valid -- cabra mora, cabrilla payaso, rock hind
  Epinephelus afer Bloch, 1793 -- invalid -- mutton hamlet
  Epinephelus analogus Gill, 1863 -- valid -- cabrilla pinta, spotted cabrilla
  Epinephelus cruentatus (Lacepède, 1802) -- invalid -- graysby
  Epinephelus drummondhayi Goode and Bean, 1878 -- valid -- mero pintarroja, speckled hind
  Epinephelus flavolimbatus Poey, 1865 -- valid -- mero de aletas amarillas, mero extraviado, yellowedge grouper
  Epinephelus fulvus (Linnaeus, 1758) -- invalid -- coney
  Epinephelus guttatus (Linnaeus, 1758) -- valid -- cabrilla, cabrilla colorada, red hind
  Epinephelus inermis (Valenciennes in Cuvier and Valenciennes, 1833) -- invalid -- marbled grouper
  Epinephelus itajara (Lichtenstein, 1822) -- valid -- goliath grouper, guasa, jewfish, mero guasa
  Epinephelus morio (Valenciennes in Cuvier and Valenciennes, 1828) -- valid -- cherna americana, red grouper
  Epinephelus mystacinus (Poey, 1852) -- valid -- cherno de lo alto, convict grouper, misty grouper, moustache grouper
  Epinephelus nigritus (Holbrook, 1855) -- valid -- cherno prieto, mero negro, warsaw grouper
  Epinephelus niveatus (Valenciennes in Cuvier and Valenciennes, 1828) -- valid -- cherna manchada, cherna pintada, snowy grouper
  Epinephelus striatus (Bloch, 1792) -- valid -- cherna criolla, mero del Caribe, Nassau grouper
  Epinnula orientalis Gilchrist and von Bonde, 1924 -- invalid -- Oriental escolar, sackfish
  Eptatretus deani (Evermann and Goldsborough, 1907) -- valid -- black hagfish, bruja pecosa
  Eptatretus stouti (Lockington, 1878) -- invalid -- Pacific hagfish
  Equetus acuminatus (Bloch and Schneider, 1801) -- invalid -- high-hat
  Equetus lanceolatus (Linnaeus, 1758) -- valid -- jackknife fish, jackknife-fish, payasito obispo, vaqueta de cinta
  Equetus punctatus (Bloch and Schneider, 1801) -- valid -- payasito punteado, spotted drum, vaqueta punteada
  Equetus umbrosus Jordan and Eigenmann, 1889 -- invalid -- cubbyu
  Eremichthys acros Hubbs and Miller, 1948 -- valid -- desert dace
  Ericymba buccata Cope, 1865 -- invalid -- silverjaw minnow
  Erilepis zonifer (Lockington, 1880) -- valid -- skilfish
  Erimyzon oblongus (Mitchill, 1814) -- valid -- creek chubsucker
  Erimyzon sucetta (Lacepède, 1803) -- valid -- lake chubsucker
  Erimyzon tenuis (Agassiz, 1855) -- valid -- sharpfin chubsucker
  Erotelis smaragdus (Valenciennes in Cuvier and Valenciennes, 1837) -- valid -- emerald sleeper, guavina de concha
  Erythrocles monodi Poll and Cadenat, 1954 -- valid -- crimson rover
  Esox americanus americanus Gmelin, 1789 -- valid -- brochet d'Amérique, redfin pickerel
  Esox americanus vermiculatus Lesueur, 1846 -- valid -- brochet vermiculé, grass pickerel
  Esox lucius Linnaeus, 1758 -- valid -- grand brochet, northern pike
  Esox masquinongy Mitchill, 1824 -- valid -- maskinongé, muskellunge
  Esox niger Lesueur, 1818 -- valid -- brochet maillé, chain pickerel
  Etelis oculatus (Valenciennes in Cuvier and Valenciennes, 1828) -- valid -- cachucho, pargo cachucho, queen snapper
  Etheostoma acuticeps Bailey, 1959 -- valid -- sharphead darter
  Etheostoma aquali Williams and Etnier, 1978 -- valid -- coppercheek darter
  Etheostoma asprigene (Forbes in Jordan, 1878) -- valid -- mud darter
  Etheostoma barbouri Kuehne and Small, 1971 -- valid -- teardrop darter
  Etheostoma bellum Zorach, 1968 -- valid -- orangefin darter
  Etheostoma blennioides Rafinesque, 1819 -- valid -- greenside darter
  Etheostoma blennius Gilbert and Swain in Gilbert, 1887 -- valid -- blenny darter
  Etheostoma boschungi Wall and Williams, 1974 -- valid -- slackwater darter
  Etheostoma caeruleum Storer, 1845 -- valid -- dard arc-en-ciel, rainbow darter
  Etheostoma camurum (Cope, 1870) -- valid -- bluebreast darter
  Etheostoma chlorobranchium Zorach, 1972 -- valid -- greenfin darter
  Etheostoma chlorosomum (Hay, 1881) -- valid -- bluntnose darter
  Etheostoma cinereum Storer, 1845 -- valid -- ashy darter
  Etheostoma collettei Birdsong and Knapp, 1969 -- valid -- creole darter
  Etheostoma collis (Hubbs and Cannon, 1935) -- valid -- Carolina darter, saluda darter
  Etheostoma coosae (Fowler, 1945) -- valid -- Coosa darter
  Etheostoma cragini Gilbert, 1885 -- valid -- Arkansas darter
  Etheostoma davisoni Hay, 1885 -- valid -- Choctawhatchee darter
  Etheostoma ditrema Ramsey and Suttkus, 1965 -- valid -- coldwater darter
  Etheostoma duryi Henshall, 1889 -- valid -- black darter, blackside darter, blackside snubnose darter
  Etheostoma edwini (Hubbs and Cannon, 1935) -- valid -- brown darter
  Etheostoma etnieri Bouchard, 1977 -- valid -- cherry darter
  Etheostoma euzonum (Hubbs and Black, 1940) -- valid -- Arkansas saddled darter
  Etheostoma exile (Girard, 1859) -- valid -- dard à ventre jaune, Iowa darter
  Etheostoma flabellare Rafinesque, 1819 -- valid -- dard barré, fantail darter
  Etheostoma fonticola (Jordan and Gilbert, 1886) -- valid -- fountain darter
  Etheostoma fricksium Hildebrand, 1923 -- valid -- Savannah darter
  Etheostoma fusiforme (Girard, 1854) -- valid -- swamp darter
  Etheostoma gracile (Girard, 1859) -- valid -- slough darter
  Etheostoma grahami (Girard, 1859) -- valid -- perca del Bravo, Rio Grande darter
  Etheostoma histrio Jordan and Gilbert in Gilbert, 1887 -- valid -- harlequin darter
  Etheostoma hopkinsi (Fowler, 1945) -- valid -- Christmas darter
  Etheostoma inscriptum (Jordan and Brayton, 1878) -- valid -- turquoise darter
  Etheostoma jessiae (Jordan and Brayton in Jordan, 1878) -- valid -- blueside darter
  Etheostoma jordani Gilbert, 1891 -- valid -- greenbreast darter
  Etheostoma juliae Meek, 1891 -- valid -- yoke darter
  Etheostoma kanawhae (Raney, 1941) -- valid -- Kanawha darter
  Etheostoma kennicotti (Putnam, 1863) -- valid -- stripetail darter
  Etheostoma lepidum (Baird and Girard, 1853) -- valid -- greenthroat darter
  Etheostoma longimanum Jordan, 1888 -- valid -- longfin darter
  Etheostoma luteovinctum Gilbert and Swain in Gilbert, 1887 -- valid -- redband darter
  Etheostoma maculatum Kirtland, 1840 -- valid -- spotted darter
  Etheostoma mariae (Fowler, 1947) -- valid -- pinewoods darter
  Etheostoma microlepidum Raney and Zorach, 1967 -- valid -- smallscale darter
  Etheostoma microperca Jordan and Gilbert in Jordan, 1888 -- valid -- least darter
  Etheostoma moorei Raney and Suttkus, 1964 -- valid -- yellowcheek darter
  Etheostoma neopterum Howell and Dingerkus, 1978 -- valid -- lollipop darter, lollypop darter
  Etheostoma nianguae Gilbert and Meek in Gilbert, 1887 -- valid -- Niangua darter
  Etheostoma nigrum Rafinesque, 1820 -- valid -- johnny darter, raseux-de-terre noir
  Etheostoma nuchale Howell and Caldwell, 1965 -- valid -- watercress darter
  Etheostoma obeyense Kirsch, 1892 -- valid -- barcheek darter
  Etheostoma okaloosae (Fowler, 1941) -- valid -- Okaloosa darter
  Etheostoma olivaceum Braasch and Page, 1979 -- valid -- dirty darter, sooty darter
  Etheostoma olmstedi Storer, 1842 -- valid -- raseux-de-terre gris, tessellated darter
  Etheostoma osburni (Hubbs and Trautman, 1932) -- valid -- candy darter, finescale saddled darter
  Etheostoma pallididorsum Distler and Metcalf, 1962 -- valid -- paleback darter
  Etheostoma parvipinne Gilbert and Swain in Gilbert, 1887 -- valid -- goldstripe darter
  Etheostoma perlongum (Hubbs and Raney, 1946) -- valid -- Waccamaw darter
  Etheostoma podostemone Jordan and Jenkins in Jordan, 1889 -- valid -- riverweed darter
  Etheostoma proeliare (Hay, 1881) -- valid -- cypress darter
  Etheostoma punctulatum (Agassiz, 1854) -- valid -- stippled darter
  Etheostoma radiosum (Hubbs and Black, 1941) -- valid -- orangebelly darter
  Etheostoma rubrum Raney and Suttkus, 1966 -- valid -- bayou darter
  Etheostoma rufilineatum (Cope, 1870) -- valid -- redline darter
  Etheostoma rupestre Gilbert and Swain in Gilbert, 1887 -- valid -- rock darter
  Etheostoma sagitta (Jordan and Swain, 1883) -- valid -- arrow darter
  Etheostoma sellare (Radcliffe and Welsh, 1913) -- valid -- Maryland darter
  Etheostoma serrifer (Hubbs and Cannon, 1935) -- valid -- sawcheek darter
  Etheostoma simoterum (Cope, 1868) -- valid -- snubnose darter, Tennessee snubnose darter
  Etheostoma simoterum atripinne (Jordan, 1877) -- invalid -- cumberland snubnose darter, Cumberland snubnose darter
  Etheostoma smithi Page and Braasch, 1976 -- valid -- slabrock darter
  Etheostoma spectabile (Agassiz, 1854) -- valid -- orangethroat darter
  Etheostoma squamiceps Jordan, 1877 -- valid -- spottail darter
  Etheostoma stigmaeum (Jordan, 1877) -- valid -- speckled darter
  Etheostoma striatulum Page and Braasch, 1977 -- valid -- striated darter
  Etheostoma swaini (Jordan, 1884) -- valid -- Gulf darter
  Etheostoma swannanoa Jordan and Evermann in Jordan, 1889 -- valid -- Swannanoa darter
  Etheostoma tetrazonum (Hubbs and Black, 1940) -- valid -- Missouri saddled darter
  Etheostoma thalassinum (Jordan and Brayton, 1878) -- valid -- seagreen darter
  Etheostoma tippecanoe Jordan and Evermann, 1890 -- valid -- Tippecanoe darter
  Etheostoma trisella Bailey and Richards, 1963 -- valid -- trispot darter
  Etheostoma tuscumbia Gilbert and Swain in Gilbert, 1887 -- valid -- Tuscumbia darter
  Etheostoma variatum Kirtland, 1840 -- valid -- variegate darter
  Etheostoma virgatum (Jordan, 1880) -- valid -- striped darter
  Etheostoma vitreum (Cope, 1870) -- valid -- glassy darter
  Etheostoma whipplei (Girard, 1859) -- valid -- redfin darter
  Etheostoma zonale (Cope, 1868) -- valid -- banded darter
  Etheostoma zonifer (Hubbs and Cannon, 1935) -- valid -- backwater darter
  Etmopterus gracilispinis Krefft, 1968 -- valid -- broadband dogfish, broadband lantern shark, broadbanded lanternshark
  Etropus crossotus Jordan & Gilbert, 1882 -- valid -- fringed flounder, Fringed Flounder, lenguado orlado, lenguado ribete
  Etropus microstomus (Gill, 1864) -- valid -- smallmouth flounder, Smallmouth Flounder
  Etropus rimosus Goode & Bean, 1885 -- valid -- gray flounder, Gray Flounder, lenguado sombreado
  Etrumeus teres (DeKay, 1842) -- valid -- Atlantic red herring, Maray, red-eye round herring, round herring, sardina canalera, sardina japonesa
  Eucinostomus argenteus Baird and Girard in Baird, 1855 -- valid -- mojarra plateada, spotfin mojarra
  Eucinostomus gracilis (Gill, 1862) -- valid -- graceful mojarra, mojarra charrita
  Eucinostomus gula (Quoy and Gaimard, 1824) -- valid -- mojarra de ley, mojarra española, silver jenny
  Eucinostomus havana (Nichols, 1912) -- valid -- bigeye mojarra, mojarra cubana, mojarrita manchada
  Eucinostomus jonesi (Günther, 1879) -- invalid -- slender mojarra
  Eucinostomus lefroyi (Goode, 1874) -- valid -- mojarra pinta, mojarrita, mottled mojarra
  Eucinostomus melanopterus (Bleeker, 1863) -- valid -- flagfin mojarra, mojarra bandera, mojarra de ley
  Eucyclogobius newberryi (Girard, 1856) -- valid -- tidewater goby
  Euleptorhamphus velox Poey, 1868 -- valid -- agujeta voladora, escribano volador, flying halfbeak
  Euleptorhamphus viridis (van Hasselt, 1823) -- valid -- agujeta alargada, longbeaked garfish, ribbon halfbeak
  Eumecichthys fiski (Günther, 1890) -- valid -- unicorn crestfish, unicornfish
  Eumesogrammus praecisus (Krøyer, 1836) -- valid -- fourline snakeblenny, quatre-lignes atlantique
  Eumicrotremus andriashevi Perminov, 1936 -- valid -- pimpled lumpsucker
  Eumicrotremus derjugini Popov, 1926 -- valid -- leatherfin lumpsucker, petite poule de mer Arctique
  Eumicrotremus orbis (Günther, 1861) -- valid -- Pacific spiny lumpsucker
  Eumicrotremus spinosus (Fabricius in Müller, 1776) -- valid -- Atlantic spiny lumpsucker, petite poule de mer atlantique
  Euthynnus affinis (Cantor, 1849) -- valid -- bacoreta oriental, kawakawa, thonine orientale
  Euthynnus alletteratus (Rafinesque, 1810) -- valid -- bacoreta, comevíveres, false albacore, little tuna, little tunny, thonine commune
  Euthynnus lineatus Kishinouye, 1920 -- valid -- barrilete negro, black skipjack, thonine noire
  Euthynnus pelamis (Linnaeus, 1758) -- invalid -- skipjack tuna
  Evermannichthys spongicola (Radcliffe, 1917) -- valid -- gobio esponjero, sponge goby
  Evorthodus lyricus (Girard, 1858) -- valid -- gobio lira, lyre goby, tismiche
  Exocoetus obtusirostris Günther, 1866 -- valid -- oceanic two-wing flyingfish, volador flecha, volador oceánico
  Exocoetus volitans Linnaeus, 1758 -- valid -- tropical two-wing flyingfish, volador tropical
  Exoglossum laurae (Hubbs, 1931) -- valid -- tonguetied minnow
  Exoglossum maxillingua (Lesueur, 1817) -- valid -- bec-de-lièvre, cutlip minnow, cutlips minnow
  Facciolella gilberti (Garman, 1899) -- invalid -- dogface witch-eel
  Fistularia petimba Lacepède, 1803 -- valid -- corneta colorada, Pacific cornetfish, red cornetfish, smooth flutemouth, trompetero
  Fistularia tabacaria Linnaeus, 1758 -- valid -- bluespotted cornetfish, corneta azul, pez corneta, tobacco trumpetfish
  Floridichthys carpio (Günther, 1866) -- valid -- goldspotted killifish, ocellated killifish
  Fodiator acutus (Valenciennes in Cuvier and Valenciennes, 1847) -- valid -- sharpchin flyingfish, volador picudo
  Foetorepus agassizi (Goode and Bean in Agassiz, 1888) -- invalid -- spotfin dragonet
  Forbesichthys agassizii (Putnam, 1872) -- valid -- spring cavefish
  Fundulus albolineatus Gilbert, 1891 -- valid -- whiteline topminnow
  Fundulus catenatus (Storer, 1846) -- valid -- northern studfish
  Fundulus chrysotus (Günther, 1866) -- valid -- golden topminnow
  Fundulus cingulatus Valenciennes in Cuvier and Valenciennes, 1846 -- valid -- banded topminnow
  Fundulus confluentus Goode and Bean in Goode, 1879 -- valid -- marsh killifish
  Fundulus diaphanus (Lesueur, 1817) -- valid -- banded killifish, fondule barré
  Fundulus grandis Baird and Girard, 1853 -- valid -- Gulf killifish, sardinilla del Pánuco
  Fundulus heteroclitus (Linnaeus, 1766) -- valid -- choquemort, mummichog
  Fundulus jenkinsi (Evermann, 1892) -- valid -- saltmarsh topminnow, sardinilla del Bravo
  Fundulus lineolatus (Agassiz, 1854) -- valid -- lined topminnow
  Fundulus luciae (Baird, 1855) -- valid -- spotfin killifish
  Fundulus majalis (Walbaum, 1792) -- valid -- striped killifish
  Fundulus notatus (Rafinesque, 1820) -- valid -- blackstripe topminnow
  Fundulus nottii (Agassiz, 1854) -- invalid -- bayou topminnow, Gulf starhead topminnow, starhead topminnow
  Fundulus olivaceus (Storer, 1845) -- valid -- blackspotted topminnow
  Fundulus parvipinnis Girard, 1854 -- valid -- California killifish, sardinilla chococo
  Fundulus pulvereus (Evermann, 1892) -- valid -- bayou killifish, sardinilla mulata
  Fundulus rathbuni Jordan and Meek in Jordan, 1889 -- valid -- speckled killifish
  Fundulus sciadicus Cope, 1865 -- valid -- plains topminnow
  Fundulus seminolis Girard, 1859 -- valid -- Seminole killifish
  Fundulus similis (Baird and Girard, 1853) -- valid -- longnose killifish, sardinilla narigona
  Fundulus stellifer (Jordan, 1877) -- invalid -- southern studfish
  Fundulus waccamensis Hubbs and Raney, 1946 -- valid -- Waccamaw killifish
  Fundulus zebrinus Jordan and Gilbert, 1883 -- valid -- plains killifish
  Gadidae Rafinesque, 1810 -- valid -- bacalaos, codfishes, cods, morues, true cods
  Gadus macrocephalus Tilesius, 1810 -- valid -- bacalao del Pacifico, morue du Pacifique, Pacific cod
  Gadus morhua Linnaeus, 1758 -- valid -- Atlantic cod, bacalao del Atlántico, cod, morue de l'Atlantique, morue franche, rock cod
  Gadus ogac Richardson, 1836 -- valid -- bacalao de Groenlandia, Greenland cod, morue ogac, ogac, ogac
  Galeocerdo cuvier (Péron and Lesueur in Lesueur, 1822) -- valid -- tiburón tigre, tiger shark, tintorera
  Galeorhinus galeus (Linnaeus, 1758) -- valid -- tiburón aceitoso, tope, tope shark
  Galeorhinus zyopterus Jordan and Gilbert, 1883 -- invalid -- soupfin shark
  Gambusia affinis (Baird and Girard, 1853) -- valid -- guayacón mosquito, mosquitofish, western mosquitofish
  Gambusia amistadensis Peden, 1973 -- valid -- Amistad gambusia
  Gambusia gaigei Hubbs, 1929 -- valid -- Big Bend gambusia
  Gambusia geiseri Hubbs and Hubbs in Hubbs and Springer, 1957 -- valid -- largespring gambusia
  Gambusia georgei Hubbs and Peden, 1969 -- valid -- San Marcos gambusia
  Gambusia heterochir Hubbs, 1957 -- valid -- Clear Creek gambusia
  Gambusia nobilis (Baird and Girard, 1853) -- valid -- Pecos gambusia
  Gambusia rhizophorae Rivas, 1969 -- valid -- mangrove gambusia
  Gambusia senilis Girard, 1859 -- valid -- blotched gambusia, guayacón del Bravo
  Gasterosteus aculeatus Linnaeus, 1758 -- valid -- Alaskan stickleback, épinoche à trois épines, espinocho, threespine stickleback
  Gasterosteus wheatlandi Putnam, 1867 -- valid -- blackspotted stickleback, épinoche tachetée
  Gastropsetta frontalis Bean, 1895 -- valid -- lenguado gambero, Shrimp Flounder, shrimp flounder
  Gempylus serpens Cuvier, 1829 -- valid -- dómine añil, escolar de canal, snake mackerel
  Genyonemus lineatus (Ayres, 1855) -- valid -- corvineta blanca, white croaker
  Gerres cinereus (Walbaum, 1792) -- valid -- mojarra blanca, mojarra trompetera, yellowfin mojarra
  Gibbonsia elegans (Cooper, 1864) -- valid -- sargacero manchado, spotted kelpfish
  Gibbonsia metzi Hubbs, 1927 -- valid -- sargacero rayado, striped kelpfish
  Gibbonsia montereyensis Hubbs, 1927 -- valid -- crevice kelpfish, sargacero de Monterey, scarlet kelpfish
  Gila alvordensis Hubbs and Miller, 1972 -- invalid -- Alvord chub
  Gila atraria (Girard, 1856) -- valid -- Utah chub
  Gila bicolor (Girard, 1856) -- invalid -- tui chub
  Gila boraxobius Williams and Bond, 1980 -- invalid -- Borax Lake chub
  Gila coerulea (Girard, 1856) -- valid -- blue chub
  Gila copei (Jordan and Gilbert, 1881) -- invalid -- leatherside chub
  Gila crassicauda (Baird and Girard in Girard, 1854) -- valid -- thicktail chub
  Gila cypha Miller, 1946 -- valid -- humpback chub
  Gila ditaenia Miller, 1945 -- valid -- carpa sonorense, Sonora chub
  Gila elegans Baird and Girard, 1853 -- valid -- bonytail, bonytail chub, carpa elegante
  Gila nigrescens (Girard, 1856) -- valid -- carpa de Chihuahua, Chihuahua chub
  Gila orcutti (Eigenmann and Eigenmann, 1890) -- invalid -- arroyo chub
  Gila pandora (Cope, 1872) -- valid -- Rio Grande chub
  Gila purpurea (Girard, 1856) -- valid -- carpa púrpura, Yaqui chub
  Gila robusta Baird and Girard, 1853 -- valid -- roundtail chub
  Gillellus greyae Kanazawa, 1952 -- valid -- arrow stargazer, miraestrellas flecha, mirón flecha
  Gillellus uranidea Böhlke, 1968 -- valid -- miraestrellas ojiverrugado, warteye stargazer
  Gillichthys mirabilis Cooper, 1864 -- valid -- chupalodo grande, longjaw mudsucker
  Ginglymostoma cirratum (Bonnaterre, 1788) -- valid -- nurse shark, tiburón gata
  Girella nigricans (Ayres, 1860) -- valid -- chopa verde, opaleye
  Glossanodon pygmaeus Cohen, 1958 -- valid -- pygmy argentine
  Glyptocephalus cynoglossus (Linnaeus, 1758) -- valid -- gray sole, plie grise, Witch Flounder, witch flounder
  Gnathagnus egregius (Jordan and Thompson, 1905) -- invalid -- freckled stargazer
  Gnatholepis thompsoni Jordan, 1904 -- valid -- gobio puntadorada, gobio puntidorado, goldspot goby
  Gnathophis bathytopos Smith and Kanazawa, 1977 -- valid -- blackgut conger
  Gnathophis bracheatopos Smith and Kanazawa, 1977 -- valid -- longeye conger
  Gnathophis catalinensis (Wade, 1946) -- invalid -- Catalina conger
  Gobiesox eugrammus Briggs, 1955 -- valid -- chupapiedra estriada, lined clingfish
  Gobiesox maeandricus (Girard, 1858) -- valid -- chupapiedra norteña, northern clingfish
  Gobiesox papillifer Gilbert, 1890 -- valid -- bearded clingfish, chupapiedra barbona
  Gobiesox punctulatus (Poey, 1876) -- valid -- chupapiedra punteada, pequita punteada, stippled clingfish
  Gobiesox rhessodon Smith, 1881 -- valid -- California clingfish, chupapiedra californiana
  Gobiesox strumosus Cope, 1870 -- valid -- cazoleta, skilletfish
  Gobiidae -- valid -- gobies, gobies, gobios, true gobies
  Gobioides broussonnetii Lacepède, 1800 -- valid -- esmeralda de rio, violet goby
  Gobiomorus dormitor Lacepède, 1800 -- valid -- bigmouth sleeper, guavina bocón, guavina de ley
  Gobionellus atripinnis Gilbert and Randall, 1979 -- valid -- blackfin goby
  Gobionellus boleosoma (Jordan and Gilbert, 1882) -- invalid -- darter goby
  Gobionellus longicaudus (Jenkins and Evermann, 1888) -- invalid -- longtail goby
  Gobionellus oceanicus (Pallas, 1770) -- valid -- esmeralda de mar, highfin goby, madrejuile flecha, sharptail goby, slim goby
  Gobionellus pseudofasciatus Gilbert and Randall in Gilbert and Kelso, 1971 -- invalid -- slashcheek goby
  Gobionellus saepepallens Gilbert and Randall, 1968 -- invalid -- dash goby
  Gobionellus shufeldti (Jordan and Eigenmann, 1887) -- invalid -- freshwater goby
  Gobionellus smaragdus (Valenciennes in Cuvier and Valenciennes, 1837) -- invalid -- emerald goby
  Gobionellus stigmalophius Mead and Böhlke, 1958 -- invalid -- spotfin goby
  Gobionellus stigmaticus (Poey, 1860) -- invalid -- marked goby
  Gobionellus stigmaturus (Goode and Bean, 1882) -- invalid -- spottail goby
  Gobiosoma bosc (Lacepède, 1800) -- valid -- gobio desnudo, naked goby
  Gobiosoma ginsburgi Hildebrand and Schroeder, 1928 -- valid -- seaboard goby
  Gobiosoma grosvenori (Robins, 1964) -- valid -- rockcut goby
  Gobiosoma horsti Metzelaar, 1922 -- invalid -- gobio de banda amarilla, yellowline goby
  Gobiosoma longipala Ginsburg, 1933 -- valid -- twoscale goby
  Gobiosoma macrodon Beebe and Tee-Van, 1928 -- invalid -- tiger goby
  Gobiosoma oceanops (Jordan, 1904) -- invalid -- neon goby
  Gobiosoma robustum Ginsburg, 1933 -- valid -- code goby, gobio clave
  Gobiosoma xanthiprora Böhlke and Robins, 1968 -- invalid -- yellowprow goby
  Gobulus myersi Ginsburg, 1939 -- valid -- paleback goby
  Gonioplectrus hispanus (Cuvier in Cuvier and Valenciennes, 1828) -- valid -- biajaiba de lo alto, cherna bandera, Spanish flag
  Gordiichthys irretitus Jordan and Davis, 1891 -- valid -- horsehair eel, tieso pelo de burro
  Grammonus claudei (de la Torre y Huerta, 1930) -- valid -- brótula parda, reef-cave brotula
  Grammonus diagrammus (Heller and Snodgrass, 1903) -- valid -- brótula púrpura, purple brotula
  Gunterichthys longipenis Dawson, 1966 -- valid -- gold brotula
  Gymnachirus melas Nichols, 1916 -- valid -- naked sole, Naked Sole, suela desnuda
  Gymnachirus texae (Gunter, 1936) -- valid -- fringed sole, Fringed Sole, suela texana
  Gymnelis viridis (Fabricius, 1780) -- invalid -- fish doctor
  Gymnocanthus galeatus Bean, 1881 -- valid -- armorhead sculpin
  Gymnocanthus tricuspis (Reinhardt, 1830) -- valid -- Arctic staghorn sculpin, tricorne arctique
  Gymnoclinus cristulatus Gilbert and Burke, 1912 -- valid -- trident prickleback
  Gymnothorax funebris Ranzani, 1839 -- valid -- green moray, morena verde
  Gymnothorax hubbsi Böhlke and Böhlke, 1977 -- valid -- lichen moray, morena liquen
  Gymnothorax mordax (Ayres, 1859) -- valid -- California moray, morena de California
  Gymnothorax moringa (Cuvier, 1829) -- valid -- morena manchada, spotted moray
  Gymnothorax nigromarginatus (Girard, 1858) -- valid -- blackedge moray, morena de margen negro
  Gymnothorax saxicola Jordan and Davis, 1891 -- valid -- honeycomb moray, morena panal, morena punteada, ocellated moray
  Gymnothorax vicinus (Castelnau, 1855) -- valid -- morena amarilla, morena de boca púrpura, purplemouth moray
  Gymnura altavela (Linnaeus, 1758) -- valid -- raya de papel, spiny butterfly ray
  Gymnura marmorata (Cooper, 1864) -- valid -- California butterfly ray, raya mariposa californiana
  Gymnura micrura (Bloch and Schneider, 1801) -- valid -- raya cola de rata, smooth butterfly ray
  Haemulon album Cuvier in Cuvier and Valenciennes, 1830 -- valid -- jallao, margate, ronco jallao
  Haemulon aurolineatum Cuvier in Cuvier and Valenciennes, 1830 -- valid -- jeniguano bocón, ronco jeníguaro, tomtate
  Haemulon bonariense Cuvier in Cuvier and Valenciennes, 1830 -- valid -- black grunt, ronco prieto
  Haemulon carbonarium Poey, 1860 -- valid -- caesar grunt, ronco carbonero
  Haemulon chrysargyreum Günther, 1859 -- valid -- jeníguano amarillo, ronco boquichica, smallmouth grunt
  Haemulon flavolineatum (Desmarest, 1823) -- valid -- French grunt, ronco condenado
  Haemulon macrostomum Günther, 1859 -- valid -- jeníguano español, Spanish grunt
  Haemulon melanurum (Linnaeus, 1758) -- valid -- cottonwick, ronco de lomo prieto, ronco lomo manchado
  Haemulon parra (Desmarest, 1823) -- valid -- boquilla, ronco blanco, sailors choice
  Haemulon plumieri (Lacepède, 1801) -- invalid -- ronco arará, white grunt
  Haemulon sciurus (Shaw, 1803) -- valid -- bluestriped grunt, ronco amarillo, ronco carite
  Haemulon striatum (Linnaeus, 1758) -- valid -- jeníguano rayado, ronco pinto, striped grunt
  Halichoeres bathyphilus (Beebe and Tee-Van, 1932) -- valid -- doncella cintaverde, greenband wrasse
  Halichoeres bivittatus (Bloch, 1791) -- valid -- doncella rayada, slippery dick
  Halichoeres caudalis (Poey, 1860) -- valid -- doncella pintada, painted wrasse
  Halichoeres cyanocephalus (Bloch, 1791) -- valid -- doncella cabeciplateada, yellowcheek wrasse
  Halichoeres garnoti (Valenciennes in Cuvier and Valenciennes, 1839) -- valid -- doncella cabeciamarilla, yellowhead wrasse
  Halichoeres maculipinna (Müller and Troschel in Schomburgk, 1848) -- valid -- clown wrasse, doncella payaso
  Halichoeres pictus (Poey, 1860) -- valid -- doncella arcoiris, rainbow wrasse
  Halichoeres poeyi (Steindachner, 1867) -- valid -- blackear wrasse, doncella ojinegra, doncella orejinegra
  Halichoeres radiatus (Linnaeus, 1758) -- valid -- doncella azulada, doncella pudín, puddingwife
  Halichoeres semicinctus (Ayres, 1859) -- valid -- rock wrasse, señorita piedrera
  Halieutichthys aculeatus (Mitchill, 1818) -- valid -- diablito espinoso, murciélago picudo, pancake batfish
  Harengula clupeola (Cuvier, 1829) -- valid -- false herring, false pilchard, sardina escamuda, sardinita carapachona
  Harengula humeralis (Cuvier, 1829) -- valid -- redear herring, redear sardine, sardina de ley, sardinita de ley
  Harengula jaguana Poey, 1865 -- valid -- sardina escamudina, sardinita vivita escamuda, scaled herring, scaled sardine
  Harengula thrissina (Jordan and Gilbert, 1882) -- valid -- flatiron herring, Pacific flatiron herring, sardinita plumilla
  Helicolenus dactylopterus (Delaroche, 1809) -- valid -- blackbelly rosefish
  Hemanthias aureorubens (Longley, 1935) -- valid -- cabrilla cinta, streamer bass
  Hemanthias leptus (Ginsburg, 1952) -- valid -- cabrilla robalo, longtail bass
  Hemanthias peruanus (Steindachner, 1875) -- valid -- cabrilla doblecola, splittail bass
  Hemanthias vivanus (Jordan and Swain, 1885) -- valid -- barbero rojo, red barbier
  Hemicaranx amblyrhynchus (Cuvier in Cuvier and Valenciennes, 1833) -- valid -- bluntnose jack, chicharra, jurelito chato
  Hemichromis bimaculatus Gill, 1862 -- valid -- African jewelfish, jewel cichlid, jewelfish
  Hemiemblemaria simulus Longley and Hildebrand, 1940 -- valid -- sapito doncella, wrasse blenny
  Hemilepidotus hemilepidotus (Tilesius, 1811) -- valid -- red Irish lord
  Hemilepidotus jordani Bean, 1881 -- valid -- yellow Irish lord
  Hemilepidotus papilio (Bean, 1880) -- invalid -- butterfly sculpin
  Hemilepidotus spinosus Ayres, 1854 -- valid -- brown Irish lord
  Hemilepidotus zapus Gilbert and Burke, 1912 -- valid -- longfin Irish lord
  Hemipteronotus martinicensis (Valenciennes in Cuvier and Valenciennes, 1840) -- invalid -- rosy razorfish
  Hemipteronotus novacula (Linnaeus, 1758) -- invalid -- pearly razorfish
  Hemipteronotus splendens (Castelnau, 1855) -- invalid -- green razorfish
  Hemiramphus balao Lesueur, 1821 -- valid -- agujeta balao, balao, escribano balao
  Hemiramphus brasiliensis (Linnaeus, 1758) -- valid -- agujeta brasileña, ballyhoo, escribano de aletas rojas
  Hemiramphus saltator Gilbert and Starks, 1904 -- valid -- longfin halfbeak, pajarito saltador
  Hemitremia flammea (Jordan and Gilbert in Jordan, 1878) -- valid -- flame chub
  Hemitripterus americanus (Gmelin, 1789) -- valid -- hémitriptère atlantique, sea raven, sea sculpin
  Hemitripterus bolini (Myers, 1934) -- valid -- bigmouth sculpin
  Hermosilla azurea Jenkins and Evermann, 1889 -- valid -- chopa bonita, zebra perch, zebraperch
  Hesperoleucus symmetricus (Baird and Girard, 1854) -- valid -- California roach
  Heterandria formosa Girard, 1859 -- valid -- dwarf livebearer, least killifish
  Heterodontus francisci (Girard, 1855) -- valid -- dormilón cornudo, horn shark, requin dormeur cornu, tiburón puerco
  Heterostichus rostratus Girard, 1854 -- valid -- giant kelpfish, sargacero gigante
  Hexagrammos decagrammus (Pallas, 1810) -- valid -- kelp greenling
  Hexagrammos lagocephalus (Pallas, 1810) -- valid -- rock greenling
  Hexagrammos octogrammus (Pallas, 1814) -- valid -- masked greenling
  Hexagrammos stelleri Tilesius, 1810 -- valid -- whitespotted greenling
  Hexanchus griseus (Bonnaterre, 1788) -- valid -- bluntnose sixgill shark, marrajo, sixgill shark, tiburón de seis branquias
  Hildebrandia flava (Goode and Bean, 1896) -- invalid -- yellow conger
  Hildebrandia gracilior (Ginsburg, 1951) -- invalid -- whiptail conger
  Himantolophidae -- valid -- deepsea anglerfishes, footballfishes, peces balón, poissons-football
  Himantolophus groenlandicus Reinhardt, 1837 -- valid -- Atlantic footballfish
  Hiodon alosoides (Rafinesque, 1819) -- valid -- goldeye, laquaiche aux yeux d'or
  Hiodon tergisus Lesueur, 1818 -- valid -- laquaiche argentée, mooneye
  Hippocampus erectus Perry, 1810 -- valid -- caballito erecto, caballito estriado, lined seahorse, spotted seahorse
  Hippocampus ingens Girard, 1858 -- valid -- caballito del Pacífico, Pacific giant seahorse, Pacific seahorse
  Hippocampus reidi Ginsburg, 1933 -- valid -- caballito hocico largo, caballito narizon, longsnout seahorse
  Hippocampus zosterae Jordan and Gilbert, 1882 -- valid -- caballito enano, caballito oliváceo, dwarf seahorse, little seahorse, pygmy seahorse
  Hippoglossina stomata Eigenmann & Eigenmann, 1890 -- valid -- bigmouth sole, Bigmouth Sole, lenguado bocón
  Hippoglossoides elassodon Jordan & Gilbert, 1880 -- valid -- flathead sole, Flathead Sole, plie à tête plate
  Hippoglossoides platessoides (Fabricius, 1780) -- valid -- American dab, American plaice, American Plaice, Canadian plaice, dab, plie canadienne
  Hippoglossoides robustus Gill & Townsend, 1897 -- valid -- Bering flounder, Bering Flounder, plie de Béring
  Hippoglossus hippoglossus (Linnaeus, 1758) -- valid -- Atlantic halibut, Atlantic Halibut, flétan atlantique
  Hippoglossus stenolepis Schmidt, 1904 -- valid -- alabato del Pacífico, flétan du Pacifique, Pacific Halibut, Pacific halibut
  Hirundichthys affinis (Günther, 1866) -- valid -- fourwing flyingfish, volador de 4 alas, volador golondrina
  Histrio histrio (Linnaeus, 1758) -- valid -- pez sargazo, sargassum frogfish, sargassumfish
  Holacanthus bermudensis Goode, 1876 -- valid -- blue angelfish, chabelita azul, isabelita azul
  Holacanthus ciliaris (Linnaeus, 1758) -- valid -- ángel reina, isabelita reina, queen angelfish
  Holacanthus tricolor (Bloch, 1795) -- valid -- chabelita tricolor, rock beauty, vaqueta de dos colores
  Holanthias martinicensis (Guichenot, 1868) -- invalid -- roughtongue bass
  Hollardia meadi Tyler, 1966 -- valid -- rombo pardo, Spotted Spikefish, spotted spikefish
  Holocentrus adscensionis (Osbeck, 1765) -- valid -- candil de vidrio, carajuelo de ascención, squirrelfish
  Holocentrus bullisi Woods, 1955 -- invalid -- deepwater squirrelfish
  Holocentrus coruscus Poey, 1860 -- invalid -- reef squirrelfish
  Holocentrus marianus Cuvier in Cuvier and Valenciennes, 1829 -- invalid -- longjaw squirrelfish
  Holocentrus poco (Woods, 1965) -- invalid -- saddle squirrelfish
  Holocentrus rufus (Walbaum, 1792) -- valid -- candil rufo, carajuelo rufo, longspine squirrelfish
  Holocentrus vexillarius Poey, 1860 -- invalid -- dusky squirrelfish
  Hoplunnis diomedianus Goode and Bean, 1896 -- invalid -- blacktail pike-conger
  Hoplunnis macrurus Ginsburg, 1951 -- invalid -- freckled pike-conger, silver conger
  Hoplunnis tenuis Ginsburg, 1951 -- valid -- congrio colilargo, serpentina dientona, spotted pike-conger, spotted pikeconger
  Hybognathus argyritis Girard, 1856 -- valid -- western silvery minnow
  Hybognathus hankinsoni Hubbs in Jordan, 1929 -- valid -- brassy minnow, méné laiton
  Hybognathus hayi Jordan, 1885 -- valid -- cypress minnow
  Hybognathus nuchalis Agassiz, 1855 -- valid -- méné d'argent, Mississippi silvery minnow
  Hybognathus placitus Girard, 1856 -- valid -- plains minnow
  Hybognathus regius Girard, 1856 -- valid -- eastern silvery minnow, méné d'argent
  Hybopsis aestivalis (Girard, 1856) -- invalid -- speckled chub
  Hybopsis amblops (Rafinesque, 1820) -- valid -- bigeye chub
  Hybopsis cahni Hubbs and Crowe, 1956 -- invalid -- slender chub
  Hybopsis crameri Snyder, 1908 -- invalid -- Oregon chub
  Hybopsis dissimilis (Kirtland, 1840) -- invalid -- streamline chub
  Hybopsis dorsalis Agassiz, 1854 -- valid -- bigmouth shiner
  Hybopsis gelida (Girard, 1856) -- invalid -- sturgeon chub
  Hybopsis gracilis Agassiz, 1854 -- invalid -- flathead chub
  Hybopsis hypsinotus (Cope, 1870) -- valid -- highback chub
  Hybopsis insignis Hubbs and Crowe, 1956 -- invalid -- blotched chub
  Hybopsis labrosa (Cope, 1870) -- invalid -- thicklip chub
  Hybopsis lineapunctata Clemmer and Suttkus, 1971 -- valid -- lined chub
  Hybopsis meeki Jordan and Evermann, 1896 -- invalid -- sicklefin chub
  Hybopsis monacha (Cope, 1868) -- invalid -- spotfin chub
  Hybopsis rubrifrons (Jordan, 1877) -- valid -- rosyface chub
  Hybopsis storeriana (Kirtland, 1845) -- invalid -- silver chub
  Hybopsis x-punctata Hubbs and Crowe, 1956 -- invalid -- gravel chub
  Hybopsis zanema (Jordan and Brayton, 1878) -- valid -- Santee chub
  Hydrolagus colliei (Lay and Bennett, 1839) -- valid -- quimera manchada, spotted ratfish
  Hypentelium etowanum (Jordan, 1877) -- valid -- Alabama hog sucker
  Hypentelium nigricans (Lesueur, 1817) -- valid -- northern hog sucker
  Hypentelium roanokense Raney and Lachner, 1947 -- valid -- Roanoke hog sucker
  Hyperoglyphe bythites (Ginsburg, 1954) -- valid -- black driftfish
  Hyperoglyphe perciformis (Mitchill, 1818) -- valid -- barrelfish
  Hyperprosopon anale Agassiz, 1861 -- valid -- mojarra aletimanchada, spotfin surfperch
  Hyperprosopon argenteum Gibbons, 1854 -- valid -- mojarra ojona, walleye surfperch
  Hyperprosopon ellipticum (Gibbons, 1854) -- valid -- mojarra ovalada, silver surfperch
  Hypleurochilus aequipinnis (Günther, 1861) -- valid -- blenio ostra, oyster blenny
  Hypleurochilus bermudensis Beebe and Tee-van, 1933 -- valid -- barred blenny, borracho de barras
  Hypleurochilus geminatus (Wood, 1825) -- valid -- blenio crestado, crested blenny
  Hypleurochilus springeri Randall, 1966 -- valid -- orangespotted blenny
  Hypoatherina harringtonensis (Goode, 1877) -- valid -- catacuche, reef silverside, tinícalo de arrecife
  Hypomesus nipponensis McAllister, 1963 -- valid -- wakasagi, Wakasagi smelt
  Hypomesus olidus (Pallas, 1814) -- valid -- pond smelt
  Hypomesus pretiosus (Girard, 1854) -- valid -- surf smelt
  Hypomesus transpacificus McAllister, 1963 -- valid -- delta smelt
  Hypoplectrus unicolor (Walbaum, 1792) -- valid -- butter hamlet, mero mantequilla, vaca blanca
  Hyporhamphus rosae (Jordan and Gilbert, 1880) -- valid -- California halfbeak, pajarito californiano
  Hyporhamphus unifasciatus (Ranzani, 1841) -- valid -- Atlantic silverstripe halfbeak, escribano, halfbeak, pajarito blanco del Atlántico, silverstripe halfbeak
  Hypostomus plecostomus (Linnaeus, 1758) -- valid -- suckermouth catfish
  Hypsagonus quadricornis (Cuvier in Cuvier and Valenciennes, 1829) -- valid -- fourhorn poacher
  Hypsoblennius gentilis (Girard, 1854) -- valid -- bay blenny, borracho de bahía
  Hypsoblennius gilberti (Jordan, 1882) -- valid -- borracho de poza, rockpool blenny
  Hypsoblennius hentz (Lesueur, 1825) -- valid -- feather blenny
  Hypsoblennius ionthas (Jordan and Gilbert, 1882) -- valid -- freckled blenny
  Hypsoblennius jenkinsi (Jordan and Evermann in Jordan, 1896) -- valid -- borracho mejillonero, mussel blenny
  Hypsopsetta guttulata (Girard, 1856) -- valid -- diamond turbot
  Hypsurus caryi (Agassiz, 1853) -- valid -- mojarra arcoiris, rainbow seaperch
  Hypsypops rubicundus (Girard, 1854) -- valid -- garibaldi, jaqueta garibaldi
  Hysterocarpus traski Gibbons, 1854 -- invalid -- tule perch
  Icelinus borealis Gilbert, 1896 -- valid -- northern sculpin
  Icelinus burchami Evermann and Goldsborough, 1907 -- valid -- dusky sculpin
  Icelinus cavifrons Gilbert, 1890 -- valid -- charrasco cabeza bacha, pit-head sculpin
  Icelinus filamentosus Gilbert, 1890 -- valid -- threadfin sculpin
  Icelinus fimbriatus Gilbert, 1890 -- valid -- fringed sculpin
  Icelinus oculatus Gilbert, 1890 -- valid -- frogmouth sculpin
  Icelinus quadriseriatus (Lockington, 1880) -- valid -- charrasco barbiamarilla, yellowchin sculpin
  Icelinus tenuis Gilbert, 1890 -- valid -- charrasco aletimanchada, spotfin sculpin
  Icelus bicornis (Reinhardt, 1840) -- valid -- icèle à deux cornes, twohorn sculpin
  Icelus spatula Gilbert and Burke, 1912 -- valid -- icèle spatulée, spatulate sculpin
  Icelus spiniger Gilbert, 1896 -- valid -- thorny sculpin
  Ichthyapus ophioneus (Evermann and Marsh, 1900) -- valid -- finless snake eel, safío amarillo, surf eel, tieso alacrán
  Ichthyomyzon bdellium (Jordan, 1885) -- valid -- lamproie de l'Ohio, Ohio lamprey
  Ichthyomyzon castaneus Girard, 1858 -- valid -- chestnut lamprey, lamproie brune
  Ichthyomyzon fossor Reighard and Cummins, 1916 -- valid -- lamproie de ruisseau septentrionale, lamproie du nord, northern brook lamprey
  Ichthyomyzon gagei Hubbs and Trautman, 1937 -- valid -- lamproie de ruisseau méridionale, southern brook lamprey
  Ichthyomyzon greeleyi Hubbs and Trautman, 1937 -- valid -- Allegheny brook lamprey, lamproie de ruisseau d'Allegheny, mountain brook lamprey
  Ichthyomyzon unicuspis Hubbs and Trautman, 1937 -- valid -- lamproie argentée, silver lamprey
  Icichthys lockingtoni Jordan and Gilbert, 1880 -- valid -- brown rudderfish, cojinoba medusa, medusafish
  Icosteus aenigmaticus Lockington, 1880 -- valid -- ragfish
  Ictalurus brunneus (Jordan, 1877) -- invalid -- snail bullhead
  Ictalurus catus (Linnaeus, 1758) -- invalid -- white bullhead, white catfish
  Ictalurus furcatus (Valenciennes in Cuvier and Valenciennes, 1840) -- valid -- bagre azul, blue catfish
  Ictalurus lupus (Girard, 1858) -- valid -- bagre lobo, headwater catfish
  Ictalurus melas (Rafinesque, 1820) -- invalid -- black bullhead
  Ictalurus natalis (Lesueur, 1819) -- invalid -- yellow bullhead
  Ictalurus nebulosus (Lesueur, 1819) -- invalid -- brown bullhead
  Ictalurus pricei (Rutter, 1896) -- valid -- bagre yaqui, Yaqui catfish
  Ictalurus punctatus (Rafinesque, 1818) -- valid -- bagre de canal, barbue de rivière, channel catfish, graceful catfish
  Ictalurus serracanthus Yerger and Relyea, 1968 -- invalid -- spotted bullhead
  Ictiobus bubalus (Rafinesque, 1818) -- valid -- matalote boquín, smallmouth buffalo
  Ictiobus cyprinellus (Valenciennes in Cuvier and Valenciennes, 1844) -- valid -- bigmouth buffalo
  Ictiobus niger (Rafinesque, 1819) -- valid -- black buffalo, matalote negro
  Ilypnus gilberti (Eigenmann and Eigenmann, 1889) -- valid -- cheekspot goby, gobio mejilla manchada
  Inermia vittata Poey, 1860 -- valid -- boga, boga
  Ioglossus calliurus Jordan and Gilbert, 1882 -- invalid -- blue goby
  Iotichthys phlegethontis (Cope, 1874) -- valid -- least chub
  Istiophorus platypterus (Shaw in Shaw and Nodder, 1792) -- valid -- aguja de abanico, Atlantic sailfish, bayonet fish, Indo-Pacific sailfish, pez vela, sailfish
  Isurus oxyrinchus Rafinesque, 1810 -- valid -- dientuso azul, mako, shortfin mako
  Isurus paucus Guitart Manday, 1966 -- valid -- dientuso prieto, longfin mako, mako aletón, marrajo carite, petit taupe
  Jenkinsia lamprotaenia (Gosse, 1851) -- valid -- dwarf herring, dwarf round herring, manjúa, sardinita flaca
  Jenkinsia majua Whitehead, 1963 -- valid -- little-eye herring, little-eye round herring, sardineta, sardinita ojito
  Jenkinsia stolifera (Jordan and Gilbert, 1884) -- valid -- Florida round herring, sardinita de cayo, shortband herring
  Jordanella floridae Goode and Bean in Goode, 1879 -- valid -- American flagfish, flagfish
  Jordania zonope Starks, 1895 -- valid -- longfin sculpin
  Kathetostoma albigutta Bean, 1892 -- valid -- lancer stargazer, miracielo sargacero
  Kathetostoma averruncus Jordan and Bollman, 1890 -- valid -- miracielo buldog, smooth stargazer
  Kaupichthys hyoproroides (Strömman, 1896) -- valid -- anguililla de arrecife, false moray, morena falsa de arrecife, reef moray
  Kaupichthys nuchalis Böhlke, 1967 -- valid -- anguililla de collar, collared eel, morena falsa de collar
  Kyphosus analogus (Gill, 1862) -- valid -- blue-bronze chub, chopa rayada, salema
  Kyphosus incisor (Cuvier in Cuvier and Valenciennes, 1831) -- valid -- chopa amarilla, yellow chub
  Kyphosus sectatrix (Linnaeus, 1758) -- invalid -- Bermuda chub, chopa blanca
  Labidesthes sicculus (Cope, 1865) -- valid -- brook silverside, crayon d'argent
  Labrisomus bucciferus Poey, 1868 -- valid -- puffcheek blenny, sapito fumador, trambollo fumador
  Labrisomus gobio (Valenciennes in Cuvier and Valenciennes, 1836) -- valid -- palehead blenny, sapito ojudo, trambollo caripálida
  Labrisomus guppyi (Norman, 1922) -- valid -- mimic blenny, sapito prieto, trambollo mímico
  Labrisomus haitiensis Beebe and Tee-van, 1928 -- valid -- longfin blenny, sapito de roca, trambollo príncipe
  Labrisomus kalisherae (Jordan, 1904) -- valid -- downy blenny, trambollo velloso
  Labrisomus nigricinctus Howell Rivero, 1936 -- valid -- sapito lunado, spotcheek blenny, trambollo lunado
  Labrisomus nuchipinnis (Quoy and Gaimard, 1824) -- valid -- hairy blenny, sapito cabezón, trambollo peludo
  Lachnolaimus maximus (Walbaum, 1792) -- valid -- boquinete, hogfish, pez perro
  Lactophrys bicaudalis (Linnaeus, 1758) -- valid -- chapín de lunares negros, chapín pintado, Spotted Trunkfish, spotted trunkfish
  Lactophrys polygonia (Poey, 1876) -- invalid -- honeycomb cowfish
  Lactophrys quadricornis (Linnaeus, 1758) -- invalid -- scrawled cowfish
  Lactophrys trigonus (Linnaeus, 1758) -- valid -- chapín búfalo, chapín de lunares, trunkfish, Trunkfish
  Lactophrys triqueter (Linnaeus, 1758) -- valid -- chapín baqueta, chapín común, smooth trunkfish, Smooth Trunkfish
  Lactoria diaphana (Bloch & Schneider, 1801) -- valid -- cofre espinoso, spiny boxfish, Spiny Boxfish
  Lagocephalus laevigatus (Linnaeus, 1766) -- valid -- botete grande, Smooth Puffer, smooth puffer, tamboril gigante
  Lagocephalus lagocephalus (Linnaeus, 1758) -- valid -- botete oceánico, Oceanic Puffer, oceanic puffer, orbe étoilé, tamboril oceanico
  Lagochila lacera Jordan and Brayton, 1877 -- invalid -- harelip sucker
  Lagodon rhomboides (Linnaeus, 1766) -- valid -- chopa espina, pinfish, xlavitia
  Lamna ditropis Hubbs and Follett, 1947 -- valid -- salmon shark, tiburón salmón
  Lamna nasus (Bonnaterre, 1788) -- valid -- maraîche, porbeagle
  Lampanyctus regalis (Gilbert, 1892) -- invalid -- pinpoint lampfish
  Lampetra aepyptera (Abbott, 1860) -- valid -- least brook lamprey, petite lamproie de ruisseau
  Lampetra appendix (DeKay, 1842) -- invalid -- American brook lamprey, lamproie de l'est
  Lampetra ayresi (Günther, 1870) -- invalid -- river lamprey
  Lampetra hubbsi (Vladykov and Kott, 1976) -- valid -- Kern brook lamprey
  Lampetra japonica (Martens, 1868) -- invalid -- Arctic lamprey
  Lampetra lethophaga Hubbs, 1971 -- invalid -- Pit-Klamath brook lamprey
  Lampetra minima Bond and Kan, 1973 -- invalid -- Miller Lake lamprey
  Lampetra pacifica Vladykov, 1973 -- valid -- lamproie de ruisseau du Pacifique, Pacific brook lamprey
  Lampetra richardsoni Vladykov and Follett, 1965 -- valid -- lamproie de ruisseau occidentale, western brook lamprey
  Lampetra tridentata (Richardson, 1836) -- invalid -- lamprea del Pacífico, Pacific lamprey
  Lampris guttatus (Brünnich, 1788) -- valid -- opah, opah, pez mariposa
  Larimus fasciatus Holbrook, 1855 -- valid -- banded drum, boquinete listado
  Lavinia exilicauda Baird and Girard in Girard, 1854 -- valid -- hitch
  Leiocottus hirundo Girard, 1856 -- valid -- charrasco lavanda, lavender sculpin
  Leiostomus xanthurus Lacepède, 1802 -- valid -- croca, spot
  Lepidocybium flavobrunneum (Smith, 1843) -- valid -- escolar, escolar negro, petróleo
  Lepidogobius lepidus (Girard, 1858) -- valid -- bay goby, gobio frío
  Lepidomeda albivallis Miller and Hubbs, 1960 -- valid -- White River spinedace
  Lepidomeda altivelis Miller and Hubbs, 1960 -- valid -- Pahranagat spinedace
  Lepidomeda mollispinis Miller and Hubbs, 1960 -- valid -- Virgin spinedace
  Lepidomeda vittata Cope, 1874 -- valid -- Little Colorado spinedace
  Lepisosteus oculatus Winchell, 1864 -- valid -- catán pinto, lépisosté tacheté, shortnose gar, spotted gar
  Lepisosteus osseus (Linnaeus, 1758) -- valid -- catán aguja, lépisosté osseux, longnose gar
  Lepisosteus platostomus Rafinesque, 1820 -- valid -- shortnose gar
  Lepisosteus platyrhincus DeKay, 1842 -- valid -- Florida gar
  Lepomis auritus (Linnaeus, 1758) -- valid -- crapet rouge, mojarra pecho rojo, Redbreast Sunfish
  Lepomis cyanellus Rafinesque, 1819 -- valid -- crapet vert, Green Sunfish, pez sol
  Lepomis gibbosus (Linnaeus, 1758) -- valid -- crapet-soleil, kiver, Pumpkinseed
  Lepomis humilis (Girard, 1858) -- valid -- Orangespotted Sunfish
  Lepomis macrochirus Rafinesque, 1819 -- valid -- Bluegill, crapet arlequin, mojarra oreja azul
  Lepomis marginatus (Holbrook, 1855) -- valid -- Dollar Sunfish
  Lepomis megalotis (Rafinesque, 1820) -- valid -- crapet à longues oreilles, Longear Sunfish, mojarra gigante, mojarra orejona
  Lepomis microlophus (Günther, 1859) -- valid -- mojarra oreja roja, Redear Sunfish
  Lepomis punctatus (Valenciennes in Cuvier and Valenciennes, 1831) -- valid -- mojarra manchada, Spotted Sunfish
  Lepomis symmetricus Forbes in Jordan and Gilbert, 1883 -- valid -- Bantam Sunfish
  Lepophidium brevibarbe (Cuvier, 1829) -- valid -- blackedge cusk-eel, clarín, congriperla clarín
  Lepophidium cervinum (Goode and Bean, 1885) -- invalid -- fawn cusk-eel
  Lepophidium graellsi Poey, 1861 -- invalid -- blackedge cusk-eel
  Lepophidium jeannae Fowler, 1941 -- valid -- congriperla jaspeada, mottled cusk-eel
  Leptagonus decagonus (Bloch and Schneider, 1801) -- valid -- agone atlantique, Atlantic poacher
  Leptocottus armatus Girard, 1854 -- valid -- charrasco de astas, Pacific staghorn sculpin
  Leptolucania ommata (Jordan, 1884) -- valid -- pygmy killifish
  Letharchus velifer Goode and Bean, 1882 -- valid -- sailfin eel
  Lethops connectens Hubbs, 1926 -- valid -- gobio sargacero, halfblind goby
  Leuciscus idus (Linnaeus, 1758) -- valid -- ide, orfe
  Leuresthes tenuis (Ayres, 1860) -- valid -- California grunion, pejerrey californiano
  Limanda aspera (Pallas, 1814) -- valid -- limande à nageoires jaunes, Yellowfin Sole, yellowfin sole
  Liopropoma eukrines (Starck and Courtenay, 1962) -- valid -- wrasse bass, wrasse basslet
  Liopropoma mowbrayi Woods and Kanazawa, 1951 -- valid -- cabrilla de cueva, cave bass, cave basslet, guardia rojo
  Liopropoma rubre Poey, 1861 -- valid -- cabrilla menta, guardia suizo, peppermint bass, peppermint basslet
  Liparis atlanticus (Jordan and Evermann, 1898) -- valid -- Atlantic seasnail, limace atlantique, seasnail
  Liparis callyodon (Pallas, 1814) -- valid -- spotted snailfish
  Liparis coheni Able, 1976 -- valid -- Gulf snailfish, limace de Cohen
  Liparis cyclopus Günther, 1861 -- valid -- ribbon snailfish
  Liparis dennyi Jordan and Starks, 1895 -- valid -- marbled snailfish
  Liparis florae (Jordan and Starks, 1895) -- valid -- tidepool snailfish
  Liparis fucensis Gilbert, 1896 -- valid -- slipskin snailfish
  Liparis gibbus Bean, 1881 -- valid -- limace marbrée, polka-dot snailfish, variegated snailfish, varigated snailfish
  Liparis herschelinus Scofield in Jordan and Evermann, 1898 -- invalid -- bartail snailfish
  Liparis inquilinus Able, 1973 -- valid -- inquiline snailfish, limace des pétoncles
  Liparis koefoedi Parr, 1931 -- invalid -- gelationous seasnail
  Liparis liparis (Linnaeus, 1766) -- valid -- striped seasnail
  Liparis mucosus Ayres, 1855 -- valid -- baboso mucoso, slimy snailfish
  Liparis pulchellus Ayres, 1855 -- valid -- showy snailfish
  Liparis rutteri (Gilbert and Snyder in Jordan and Evermann, 1898) -- valid -- ringtail snailfish
  Liparis tunicatus Reinhardt, 1836 -- valid -- Greenland seasnail, kelp snailfish, limace des laminaires
  Lipogramma trilineatum Randall, 1963 -- valid -- cabrilleta tres rayas, threeline basslet
  Lobotes surinamensis (Bloch, 1790) -- valid -- Atlantic tripletail, biajaca de mar, dormilona del Atlántico, tripletail
  Lonchopisthus micrognathus (Poey, 1860) -- valid -- bocón rayado, guardian lanceolado, swordtail jawfish
  Lophiidae -- valid -- anglerfishes, baudroies, goosefishes, monkfishes, rapes pescadores
  Lophiodes reticulatus Caruso and Suttkus, 1979 -- valid -- rape hocicón, reticulate goosefish
  Lophius americanus Valenciennes in Cuvier and Valenciennes, 1837 -- valid -- baudroie d'Amérique, goosefish, monkfish
  Lophius gastrophysus Miranda Ribeiro, 1915 -- valid -- blackfin goosefish, rape pescador
  Lophogobius cyprinoides (Pallas, 1770) -- valid -- crested goby, gobio encrestado, gobio gallo
  Lopholatilus chamaeleonticeps Goode and Bean, 1879 -- valid -- blue tilefish, conejo amarillo, tilefish
  Lophotus lacepede Giorna, 1809 -- valid -- crestfish, fleco de gallo
  Lophotus lacepedei Giorna, 1809 -- invalid -- crestfish
  Loricariidae Rafinesque, 1815 -- valid -- armored catfishes, loricariidés, plecóstomas, suckermouth armored catfishes, suckermouth catfishes
  Lota lota (Linnaeus, 1758) -- valid -- burbot, eelpout, lotte
  Lucania goodei Jordan, 1880 -- valid -- blue-fintop minnow, bluefin killifish
  Lucania parva (Baird and Girard in Girard, 1855) -- valid -- rainwater killifish, sardinilla de lluvia
  Lumpenella longirostris (Evermann and Goldsborough, 1907) -- valid -- longsnout prickleback
  Lumpenus fabricii (Valenciennes in Cuvier and Valenciennes, 1836) -- invalid -- lompénie élancée, slender eelblenny
  Lumpenus lumpretaeformis (Walbaum, 1792) -- invalid -- lompénie-serpent, serpent blenny, snake blenny, snakeblenny
  Lumpenus maculatus (Fries, 1838) -- invalid -- daubed shanny, lompénie tâchetée
  Lumpenus medius Reinhardt, 1836 -- invalid -- lompénie naine, stout eelblenny
  Lumpenus sagitta Wilimovsky, 1956 -- valid -- snake prickleback
  Lupinoblennius dispar Herre, 1942 -- valid -- mangrove blenny
  Lupinoblennius nicholsi (Tavolga, 1954) -- valid -- borracho aletón, highfin blenny
  Lutjanus analis (Cuvier in Cuvier and Valenciennes, 1828) -- valid -- mutton snapper, pargo criollo
  Lutjanus apodus (Walbaum, 1792) -- valid -- cají, pargo canchix, schoolmaster, schoolmaster snapper
  Lutjanus argentiventris (Peters, 1869) -- valid -- amarillo snapper, pargo amarillo, yellow snapper, yellowtail snapper
  Lutjanus buccanella (Cuvier in Cuvier and Valenciennes, 1828) -- valid -- blackfin snapper, pargo sesí
  Lutjanus campechanus (Poey, 1860) -- valid -- huachinango del Golfo, northern red snapper, pargo colorado, red snapper
  Lutjanus colorado Jordan and Gilbert, 1882 -- valid -- colorado snapper, pargo colorado
  Lutjanus cyanopterus (Cuvier in Cuvier and Valenciennes, 1828) -- valid -- cubera, cubera snapper, pargo cubera
  Lutjanus griseus (Linnaeus, 1758) -- valid -- caballerete, gray snapper, grey snapper, pargo mulato
  Lutjanus jocu (Bloch and Schneider, 1801) -- valid -- dog snapper, jocú, pargo caballera
  Lutjanus mahogoni (Cuvier in Cuvier and Valenciennes, 1828) -- valid -- mahogany snapper, ojanco, pargo ojón
  Lutjanus synagris (Linnaeus, 1758) -- valid -- biajaiba, lane snapper, pargo biajaiba
  Lutjanus vivanus (Cuvier in Cuvier and Valenciennes, 1828) -- valid -- huachinango ojo amarillo, pargo del alto, silk snapper
  Luvarus imperialis Rafinesque, 1810 -- valid -- emperador, louvar
  Luxilus albeolus (Jordan, 1889) -- valid -- white shiner
  Luxilus cerasinus (Cope, 1868) -- valid -- crescent shiner
  Luxilus chrysocephalus Rafinesque, 1820 -- valid -- striped shiner
  Luxilus coccogenis (Cope, 1868) -- valid -- warpaint shiner
  Luxilus cornutus (Mitchill, 1817) -- valid -- common shiner, méné à nageoires rouges
  Luxilus pilsbryi (Fowler, 1904) -- valid -- duskystripe shiner
  Luxilus zonatus (Putnam, 1863) -- valid -- bleeding shiner
  Luxilus zonistius Jordan, 1880 -- valid -- bandfin shiner
  Lycenchelys verrilli (Goode and Bean, 1877) -- invalid -- wolf eelpout
  Lycodapus fierasfer Gilbert, 1890 -- valid -- blackmouth eelpout
  Lycodapus mandibularis Gilbert, 1915 -- valid -- pallid eelpout
  Lycodapus parviceps Gilbert, 1896 -- valid -- smallhead eelpout
  Lycodes brevipes Bean, 1890 -- valid -- shortfin eelpout
  Lycodes diapterus Gilbert, 1892 -- valid -- black eelpout
  Lycodes jugoricus Knipowitsch, 1906 -- valid -- shulupaoluk
  Lycodes lavalaei Vladykov and Tremblay, 1936 -- valid -- lycode du Labrador, Newfoundland eelpout
  Lycodes palearis Gilbert, 1896 -- valid -- wattled eelpout
  Lycodes pallidus Collett, 1879 -- valid -- lycode pâle, pale eelpout
  Lycodes polaris (Sabine, 1824) -- valid -- Canadian eelpout, lycode polaire
  Lycodes reticulatus Reinhardt, 1835 -- valid -- Arctic eelpout, lycode arctique
  Lycodes rossi Malmgren, 1865 -- valid -- threespot eelpout
  Lycodes sagittarius McAllister, 1976 -- valid -- archer eelpout
  Lycodes turneri Bean, 1879 -- valid -- polar eelpout
  Lycodopsis pacifica (Collett, 1879) -- invalid -- blackbelly eelpout
  Lyconema barbatum Gilbert, 1896 -- valid -- bearded eelpout, viruela barbona
  Lythrurus ardens (Cope, 1868) -- valid -- rosefin shiner
  Lythrurus atrapiculus (Snelson, 1972) -- valid -- blacktip shiner
  Lythrurus bellus (Hay, 1881) -- valid -- pretty shiner
  Lythrurus fumeus (Evermann, 1892) -- valid -- ribbon shiner
  Lythrurus lirus (Jordan, 1877) -- valid -- mountain shiner
  Lythrurus roseipinnis (Hay in Jordan, 1885) -- valid -- cherryfin shiner
  Lythrurus umbratilis (Girard, 1856) -- valid -- redfin shiner
  Lythrypnus dalli (Gilbert, 1890) -- valid -- bluebanded goby, gobio bonito
  Lythrypnus nesiotes Böhlke and Robins, 1960 -- valid -- gobio insular, gobio isla, island goby
  Lythrypnus phorellus Böhlke and Robins, 1960 -- valid -- convict goby, gobio reo
  Lythrypnus spilus Böhlke and Robins, 1960 -- valid -- bluegold goby, gobio marcado
  Lythrypnus zebra (Gilbert, 1890) -- valid -- gobio cebra, zebra goby
  Macrhybopsis aestivalis (Girard, 1856) -- valid -- carpa pecosa, speckled chub
  Macrhybopsis gelida (Girard, 1856) -- valid -- sicklefin chub, sturgeon chub
  Macrhybopsis meeki (Jordan and Evermann, 1896) -- valid -- sicklefin chub, sturgeon chub
  Macrhybopsis storeriana (Kirtland, 1845) -- valid -- silver chub
  Macropinna microstoma Chapman, 1939 -- valid -- barreleye
  Macrorhamphosus gracilis (Lowe, 1839) -- invalid -- slender snipefish
  Macrorhamphosus scolopax (Linnaeus, 1758) -- invalid -- longspine snipefish
  Macrozoarces americanus (Bloch and Schneider, 1801) -- invalid -- loquette d'Amérique, ocean pout
  Magnisudis atlantica (Krøyer, 1868) -- valid -- barracudina pequeña, barracudina pico de pato, duckbill barracudina
  Makaira indica (Cuvier in Cuvier and Valenciennes, 1832) -- invalid -- black marlin, giant black marlin, marlin negro, Pacific black marlin, silver marlin
  Makaira nigricans Lacepède, 1802 -- valid -- Atlantic blue marlin, blue marlin, castero, Cuban black marlin, marlin azul
  Malacanthus plumieri (Bloch, 1786) -- valid -- matajuelo blanco, matejuelo blanco, sand tilefish
  Malacocottus kincaidi Gilbert and Thompson, 1905 -- valid -- blackfin sculpin
  Malacoctenus aurolineatus Smith, 1957 -- valid -- goldline blenny, sapito lincado, trambollo lineado
  Malacoctenus macropus (Poey, 1868) -- valid -- rosy blenny, sapito rosado, trambollo rosado
  Malacoctenus triangulatus Springer, 1959 -- valid -- saddle blenny, saddled blenny, sapito de inontura, trambollo ensillado
  Mallotus villosus (Müller, 1776) -- valid -- capelan, capelin
  Manta birostris (Walbaum, 1792) -- valid -- Atlantic manta, giant manta, manta, manta gigante, Pacific manta
  Margariscus margarita (Cope, 1867) -- valid -- mulet perlé, pearl dace
  Maynea californica Starkes and Mann, 1911 -- invalid -- persimmon eelpout
  Meda fulgida Girard, 1856 -- valid -- spikedace
  Medialuna californiensis (Steindachner, 1876) -- valid -- chopa medialuna, halfmoon
  Megalocottus platycephalus (Pallas, 1814) -- valid -- belligerent sculpin
  Megalops atlanticus Valenciennes in Cuvier and Valenciennes, 1847 -- valid -- sábalo, tarpon
  Melanogrammus aeglefinus (Linnaeus, 1758) -- valid -- aiglefin, haddock
  Melanostigma atlanticum Koefoed, 1952 -- valid -- Atlantic soft pout, mollasse atlantique
  Melichthys niger (Bloch, 1786) -- valid -- black durgon, Black Durgon, black triggerfish, cochito negro, negrito
  Membras martinica (Valenciennes in Cuvier and Valenciennes, 1835) -- valid -- pejerrey rasposo, rough silverside
  Menidia beryllina (Cope, 1867) -- valid -- inland silverside, plateadito salado, tidewater silverside
  Menidia conchorum Hildebrand and Ginsburg, 1927 -- valid -- key silverside
  Menidia extensa Hubbs and Raney, 1946 -- valid -- Waccamaw silverside
  Menidia menidia (Linnaeus, 1766) -- valid -- Atlantic silverside, capucette
  Menidia peninsulae (Goode and Bean, 1879) -- valid -- plateadito playero, tidewater silverside
  Menticirrhus americanus (Linnaeus, 1758) -- valid -- berrugato zorro, jewsharp drummer, southern kingfish
  Menticirrhus littoralis (Holbrook, 1847) -- valid -- berrugato del Golfo, Gulf kingfish
  Menticirrhus saxatilis (Bloch and Schneider, 1801) -- valid -- berrugato ratón, Gulf minkfish, northern kingfish
  Menticirrhus undulatus (Girard, 1854) -- valid -- berrugato californiano, California corbina, California whiting
  Merluccius bilinearis (Mitchill, 1814) -- valid -- merlu argenté, silver hake
  Merluccius productus (Ayres, 1855) -- valid -- merluza norteña, North Pacific hake, Pacific hake, Pacific whiting, whiting
  Microcottus sellaris (Gilbert, 1896) -- valid -- brightbelly sculpin
  Microdesmus lanceolatus Dawson, 1962 -- valid -- lancetail wormfish
  Microdesmus longipinnis (Weymouth, 1910) -- valid -- pink wormfish
  Microgadus proximus (Girard, 1854) -- valid -- Pacific tomcod
  Microgadus tomcod (Walbaum, 1792) -- valid -- Atlantic tomcod, frostfish, poulamon atlantique
  Micrognathus crinitus (Jenyns, 1842) -- valid -- banded pipefish, insular pipefish, trompetero bandeado, West Indian pipefish
  Micrognathus ensenadae (Silvester, 1915) -- invalid -- harlequin pipefish
  Microgobius carri Fowler, 1945 -- valid -- Seminole goby
  Microgobius gulosus (Girard, 1858) -- valid -- clown goby, gobio payaso
  Microgobius microlepis Longley and Hildebrand, 1940 -- valid -- banner goby, gobio bandera
  Microgobius thalassinus (Jordan and Gilbert, 1883) -- valid -- green goby
  Microlepidotus inornatus Gill, 1862 -- valid -- ronco rayadillo, wavyline grunt
  Micrometrus aurora (Jordan and Gilbert, 1880) -- valid -- mojarra de arrecife, reef perch
  Micrometrus minimus (Gibbons, 1854) -- valid -- dwarf perch, mojarra enana
  Micropogonias undulatus (Linnaeus, 1766) -- valid -- Atlantic croaker, gurrubata, roncadina
  Micropterus coosae Hubbs and Bailey, 1940 -- valid -- redeye bass
  Micropterus dolomieui Lacepède, 1802 -- invalid -- smallmouth bass
  Micropterus notius Bailey and Hubbs, 1949 -- valid -- Suwannee bass
  Micropterus punctulatus (Rafinesque, 1819) -- valid -- spotted bass
  Micropterus salmoides (Lacepède, 1802) -- valid -- achigan à grande bouche, largemouth bass, lobina negra
  Micropterus treculii (Vaillant and Bocourt, 1874) -- valid -- Guadaloupe bass, Guadalupe bass
  Microspathodon chrysurus (Cuvier in Cuvier and Valenciennes, 1830) -- valid -- chopita de cola amarilla, jaqueta coliamarilla, yellowtail damselfish
  Microstomus pacificus (Lockington, 1879) -- valid -- Dover sole, Dover Sole, limande-sole, platija resbalosa
  Minytrema melanops (Rafinesque, 1820) -- valid -- spotted sucker
  Misgurnus anguillicaudatus (Cantor, 1842) -- valid -- dojo, Japanese weatherfish, oriental weatherfish
  Moapa coriacea Hubbs and Miller, 1948 -- valid -- Moapa dace
  Mobula hypostoma (Bancroft, 1831) -- valid -- Atlantic devil ray, devil ray, manta del Golfo, manta enana
  Mobula japanica (Müller and Henle, 1841) -- valid -- manta arpón, spinetail mobula
  Mobula thurstoni (Lloyd, 1908) -- valid -- manta doblada, smoothtail mobula
  Mola lanceolata (Liénard, 1840) -- invalid -- mola coliaguda, Sharptail Mola, sharptail mola
  Mola mola (Linnaeus, 1758) -- valid -- mola, môle, Ocean Sunfish, ocean sunfish, pez luna
  Monacanthus ciliatus (Mitchill, 1818) -- valid -- fringed filefish, Fringed Filefish, lija de clavo, lime frangée, sobaco común
  Monacanthus hispidus (Linnaeus, 1766) -- invalid -- planehead filefish
  Monacanthus setifer Bennett, 1831 -- invalid -- lija ciliada, pygmy filefish
  Monacanthus tuckeri Bean, 1906 -- valid -- lija reticulada, Slender Filefish, slender filefish
  Monolene antillarum Norman, 1933 -- valid -- slim flounder, Slim Flounder
  Monolene sessilicauda Goode, 1880 -- valid -- cardeau des profondeurs, Deepwater Flounder, deepwater flounder
  Moringua edwardsi (Jordan and Bollman, 1889) -- valid -- morenita, morenita de arena, spaghetti eel
  Morone americana (Gmelin, 1789) -- valid -- baret, white perch
  Morone chrysops (Rafinesque, 1820) -- valid -- bar blanc, white bass
  Morone mississippiensis Jordan and Eigenmann in Eigenmann, 1887 -- valid -- yellow bass
  Morone saxatilis (Walbaum, 1792) -- valid -- bar rayé, lobina estriada, rockfish, striped bass
  Moxostoma anisurum (Rafinesque, 1820) -- valid -- chevalier blanc, silver redhorse
  Moxostoma ariommum Robins and Raney, 1956 -- valid -- bigeye jumprock
  Moxostoma atripinne Bailey, 1959 -- invalid -- blackfin sucker
  Moxostoma carinatum (Cope, 1870) -- valid -- chevalier de rivière, river redhorse
  Moxostoma cervinum (Cope, 1868) -- valid -- black jumprock, blacktip jumprock
  Moxostoma congestum (Baird and Girard, 1854) -- valid -- gray redhorse, matalote gris
  Moxostoma duquesnei (Lesueur, 1817) -- invalid -- black redhorse
  Moxostoma erythrurum (Rafinesque, 1818) -- valid -- golden redhorse
  Moxostoma hamiltoni (Raney and Lachner, 1946) -- invalid -- rustyside sucker
  Moxostoma hubbsi Legendre, 1952 -- valid -- chevalier cuivré, copper redhorse
  Moxostoma lachneri Robins and Raney, 1956 -- valid -- greater jumprock
  Moxostoma macrolepidotum (Lesueur, 1817) -- valid -- chevalier rouge, shorthead redhorse
  Moxostoma pappillosum (Cope, 1870) -- valid -- slender redhorse, suckermouth redhorse, V-lip redhorse
  Moxostoma poecilurum Jordan, 1877 -- valid -- blacktail redhorse
  Moxostoma rhothoecum (Thoburn in Jordan and Evermann, 1896) -- invalid -- torrent sucker
  Moxostoma robustum (Cope, 1870) -- valid -- robust redhorse, smallfin redhorse
  Moxostoma rupiscartes Jordan and Jenkins in Jordan, 1889 -- valid -- striped jumprock
  Moxostoma valenciennesi Jordan, 1885 -- valid -- chevalier jaune, greater redhorse
  Mugil cephalus Linnaeus, 1758 -- valid -- black mullet, gray mullet, lisa, lisa rayada, striped mullet
  Mugil curema Valenciennes in Cuvier and Valenciennes, 1836 -- valid -- lisa blanca, silver mullet, white mullet
  Mugil gaimardianus Desmarest in Bory de Saint-Vincent, 1831 -- valid -- lisa conejo, redeye mullet
  Mugil liza Valenciennes in Cuvier and Valenciennes, 1836 -- valid -- lebrancho, liza
  Mugil trichodon Poey, 1875 -- valid -- fantail mullet, lisa amarilla, lisa de abanico
  Mugilidae -- valid -- grey mullets, lisas, muges, mullets
  Mullidae -- valid -- chivos, goat fishes, goatfishes, red mullets, surmulets, surmullets
  Mulloidichthys dentatus (Gill, 1862) -- valid -- chivo barbón, Mexican goatfish
  Mulloidichthys martinicus (Cuvier in Cuvier and Valenciennes, 1829) -- valid -- chivo amarillo, salmonete amarillo, yellow goatfish
  Mullus auratus Jordan and Gilbert, 1882 -- valid -- chivo colorado, red goatfish, salmonete rojo
  Muraena miliaris (Kaup, 1856) -- invalid -- conger moray, goldentail moray
  Muraena retifera Goode and Bean, 1882 -- valid -- morena reticulada, reticulate moray
  Mustelus californicus Gill, 1864 -- valid -- cazón mamón, gray smoothhound
  Mustelus canis (Mitchill, 1815) -- valid -- cazón dientón, dusky smooth-hound, smooth dogfish
  Mustelus henlei (Gill, 1863) -- valid -- brown smoothhound, cazón hilacho
  Mustelus lunulatus Jordan and Gilbert, 1882 -- valid -- cazón segador, sicklefin smoothhound
  Mustelus norrisi Springer, 1939 -- valid -- boca dulce, cazón viuda, Florida smoothhound, narrowfin smooth-hound
  Mycteroperca bonaci (Poey, 1860) -- valid -- aguaj í, black grouper, cherna negrillo
  Mycteroperca interstitialis (Poey, 1860) -- valid -- abadejo, cherna boca amarilla, yellowmouth grouper
  Mycteroperca jordani (Jenkins and Evermann, 1889) -- valid -- baya, Gulf grouper
  Mycteroperca microlepis (Goode and Bean, 1879) -- valid -- abadejo, charcoal belly, gag
  Mycteroperca phenax Jordan and Swain, 1884 -- valid -- abadejo garropa, scamp
  Mycteroperca rubra (Bloch, 1793) -- valid -- comb grouper, mottled grouper
  Mycteroperca tigris (Valenciennes in Cuvier and Valenciennes, 1833) -- valid -- bonací gato, cabrilla gato, tiger grouper
  Mycteroperca venenosa (Linnaeus, 1758) -- valid -- arigua, guacamayo, princess rockfish, yellowfin grouper
  Mycteroperca xenarcha Jordan, 1888 -- valid -- broomtail grouper, cabrilla plomuda
  Myliobatis californica Gill, 1865 -- valid -- bat ray, tecolote
  Myliobatis freminvillei Lesueur, 1824 -- invalid -- águila naríz de vaca, bullnose ray
  Myliobatis goodei Garman, 1885 -- valid -- southern eagle ray
  Mylocheilus caurinus (Richardson, 1836) -- valid -- peamouth
  Mylopharodon conocephalus (Baird and Girard in Girard, 1854) -- valid -- hardhead
  Myoxocephalus aenaeus (Mitchill, 1814) -- valid -- chaboisseau bronzé, grubby, little sculpin
  Myoxocephalus jaok (Cuvier in Cuvier and Valenciennes, 1829) -- valid -- plain sculpin
  Myoxocephalus niger (Bean, 1881) -- valid -- warthead sculpin
  Myoxocephalus octodecemspinosus (Mitchill, 1814) -- valid -- chaboisseau à dix-huit épines, gray sculpin, longhorn sculpin
  Myoxocephalus polyacanthocephalus (Pallas, 1814) -- valid -- great sculpin
  Myoxocephalus quadricornis (Linnaeus, 1758) -- valid -- chaboisseau à quatre cornes, fourhorn sculpin
  Myoxocephalus scorpioides (Fabricius, 1780) -- valid -- Arctic sculpin, chaboisseau arctique
  Myoxocephalus scorpius (Linnaeus, 1758) -- valid -- chaboisseau à épines courtes, shorthorn sculpin
  Myoxocephalus thompsonii (Girard, 1851) -- valid -- chabot de profondeur, deepwater sculpin
  Myrichthys acuminatus (Gronow in Gray, 1854) -- invalid -- sharptail eel
  Myrichthys maculosus (Cuvier, 1816) -- valid -- tiger snake eel
  Myrichthys oculatus (Kaup, 1856) -- invalid -- goldspotted eel
  Myripristis jacobus Cuvier in Cuvier and Valenciennes, 1829 -- valid -- blackbar soldierfish, candil barreado, soldado raya negra
  Myrophis punctatus Lütken, 1852 -- valid -- safío pecoso, speckled worm eel, tieso gusano
  Myrophis vafer Jordan and Gilbert, 1883 -- valid -- Pacific worm eel, tieso lombriz
  Myxine glutinosa Linnaeus, 1758 -- valid -- Atlantic hagfish, myxine du nord
  Narcine brasiliensis (Olfers, 1831) -- valid -- lesser electric ray
  Naucrates ductor (Linnaeus, 1758) -- valid -- pez piloto, pilotfish, piloto
  Nautichthys oculofasciatus (Girard, 1858) -- valid -- sailfin sculpin
  Nautichthys pribilovius (Jordan and Gilbert in Jordan and Evermann, 1898) -- valid -- eyeshade sculpin
  Nautichthys robustus Peden, 1970 -- valid -- shortmast sculpin
  Nealotus tripes Johnson, 1865 -- valid -- black snake mackerel, dómine negro, escolar listado
  Nectoliparis pelagicus Gilbert and Burke, 1912 -- valid -- tadpole snailfish
  Negaprion brevirostris (Poey, 1868) -- valid -- galano de ley, lemon shark, tiburón limón
  Nemaclinus atelestos Böhlke and Springer, 1975 -- valid -- threadfin blenny
  Nematistius pectoralis Gill, 1862 -- valid -- papagallo, roosterfish
  Nemichthys scolopaceus Richardson, 1848 -- valid -- Atlantic snipe eel, slender snipe eel, tijera esbelta
  Neoclinus blanchardi Girard, 1858 -- valid -- sarcastic fringehead, tubícola chusco
  Neoclinus stephensae Hubbs, 1953 -- valid -- tubícola aletiamarilla, yellowfin fringehead
  Neoclinus uninotatus Hubbs, 1953 -- valid -- onespot fringehead, tubícola mancha singular
  Neoconger mucronatus Girard, 1858 -- valid -- anguila fideo aquillada, morenita acanalada, ridged eel
  Neomerinthe hemingwayi Fowler, 1935 -- valid -- rascacio mejilla espinosa, spinycheek scorpionfish
  Nes longus (Nichols, 1914) -- valid -- gobio camaronícola, gobio de manchas naranja, orangespotted goby
  Nezumia bairdi (Goode and Bean, 1877) -- invalid -- marlin-spike, marlin-spike grenadier
  Nezumia bairdii (Goode and Bean, 1877) -- valid -- common grenadier, granadero narizón, grenadier du Grand Banc, marlin-spike, marlin-spike grenadier, rat-tail
  Nezumia sclerorhynchus (Valenciennes, 1838) -- valid -- bluntsnout grenadier, roughtip grenadier
  Nezumia stelgidolepis (Gilbert, 1890) -- valid -- California grenadier
  Nicholsina usta (Valenciennes in Cuvier and Valenciennes, 1840) -- valid -- emerald parrotfish, loro esmeralda
  Nocomis asper Lachner and Jenkins, 1971 -- valid -- redspot chub
  Nocomis biguttatus (Kirtland, 1840) -- valid -- hornyhead chub
  Nocomis effusus Lachner and Jenkins, 1967 -- valid -- redtail chub
  Nocomis leptocephalus (Girard, 1856) -- valid -- bluehead chub
  Nocomis micropogon (Cope, 1865) -- valid -- river chub
  Nocomis platyrhynchus Lachner and Jenkins, 1971 -- valid -- bigmouth chub
  Nocomis raneyi Lachner and Jenkins, 1971 -- valid -- bull chub
  Nomeus gronovii (Gmelin, 1789) -- valid -- derivante fragata portuguesa, man-of-war fish, pastorcillo
  Notacanthus chemnitzi Bloch, 1788 -- invalid
  Notacanthus chemnitzii Bloch, 1788 -- valid -- snubnosed spiny eel, spiny eel
  Notemigonus crysoleucas (Mitchill, 1814) -- valid -- golden shiner, méné jaune
  Notorynchus cepedianus (Péron, 1807) -- valid -- bluntnose sevengill shark, broadnose sevengill shark, sevengill shark, tiburón pinto
  Notoscopelus resplendens (Richardson, 1845) -- valid -- linternilla brillante, patchwork lampfish
  Notropis albeolus Eigenmann and Eigenmann, 1893 -- invalid -- white shiner
  Notropis alborus Hubbs and Raney, 1947 -- valid -- whitemouth shiner
  Notropis altipinnis (Cope, 1870) -- valid -- highfin shiner
  Notropis amabilis (Girard, 1856) -- valid -- carpita texana, Texas shiner
  Notropis amblops (Rafinesque, 1820) -- invalid -- bigeye chub
  Notropis amoenus (Abbott, 1874) -- valid -- comely shiner
  Notropis analostanus (Girard, 1859) -- invalid -- satinfin shiner
  Notropis anogenus Forbes, 1885 -- valid -- pugnose shiner
  Notropis ardens (Cope, 1868) -- invalid -- rosefin shiner
  Notropis ariommus (Cope, 1867) -- valid -- popeye shiner
  Notropis asperifrons Suttkus and Raney, 1955 -- valid -- burrhead shiner
  Notropis atherinoides Rafinesque, 1818 -- valid -- emerald shiner, méné émeraude
  Notropis atrapiculus Snelson, 1972 -- invalid -- blacktip shiner
  Notropis atrocaudalis Evermann, 1892 -- valid -- blackspot shiner
  Notropis baileyi Suttkus and Raney, 1955 -- valid -- rough shiner
  Notropis bairdi Hubbs and Ortenburger, 1929 -- valid -- Red River shiner
  Notropis bifrenatus (Cope, 1867) -- valid -- bridle shiner, méné d'herbe
  Notropis blennius (Girard, 1856) -- valid -- river shiner
  Notropis boops Gilbert, 1884 -- valid -- bigeye shiner
  Notropis braytoni Jordan and Evermann, 1896 -- valid -- carpita tamaulipeca, Tamaulipas shiner
  Notropis buccula Cross, 1953 -- valid -- smalleye shiner
  Notropis buchanani Meek, 1896 -- valid -- carpita fantasma, ghost shiner
  Notropis caeruleus (Jordan, 1877) -- invalid -- blue shiner
  Notropis callisema (Jordan, 1877) -- invalid -- Ocmulgee shiner
  Notropis callistius (Jordan, 1877) -- invalid -- Alabama shiner
  Notropis callitaenia Bailey and Gibbs, 1956 -- invalid -- bluestripe shiner
  Notropis camurus (Jordan and Meek, 1884) -- invalid -- bluntface shiner
  Notropis candidus Suttkus, 1980 -- valid -- silverside shiner
  Notropis cerasinus (Cope, 1868) -- invalid -- crescent shiner
  Notropis chalybaeus (Cope, 1867) -- valid -- ironcolor shiner
  Notropis chihuahua Woolman, 1892 -- valid -- carpita chihuahuense, Chihuahua shiner
  Notropis chiliticus (Cope, 1870) -- valid -- redlip shiner
  Notropis chloristius (Jordan and Brayton, 1878) -- invalid -- greenfin shiner
  Notropis chlorocephalus (Cope, 1870) -- valid -- greenhead shiner
  Notropis chrosomus (Jordan, 1877) -- valid -- rainbow shiner
  Notropis chrysocephalus (Rafinesque, 1820) -- invalid -- striped shiner
  Notropis coccogenis (Cope, 1868) -- invalid -- warpaint shiner
  Notropis cornutus (Mitchill, 1817) -- invalid -- common shiner
  Notropis cummingsae Myers, 1925 -- valid -- dusky shiner
  Notropis dorsalis (Agassiz, 1854) -- invalid -- bigmouth shiner
  Notropis edwardraneyi Suttkus and Clemmer, 1968 -- valid -- fluvial shiner
  Notropis emiliae (Hay, 1881) -- invalid -- pugnose minnow
  Notropis euryzonus Suttkus, 1955 -- invalid -- broadstripe shiner
  Notropis formosus (Girard, 1856) -- invalid -- beautiful shiner
  Notropis fumeus Evermann, 1892 -- invalid -- ribbon shiner
  Notropis galacturus (Cope, 1868) -- invalid -- whitetail shiner
  Notropis gibbsi Howell and Williams, 1971 -- invalid -- Tallapoosa shiner
  Notropis girardi Hubbs and Ortenburger, 1929 -- valid -- Arkansas River shiner
  Notropis greenei Hubbs and Ortenburger, 1929 -- valid -- wedgespot shiner
  Notropis harperi Fowler, 1941 -- valid -- redeye chub, redeye shiner
  Notropis heterodon (Cope, 1865) -- valid -- blackchin shiner, menton noir
  Notropis heterolepis Eigenmann and Eigenmann, 1893 -- valid -- blacknose shiner, museau noir
  Notropis hubbsi Bailey and Robison, 1978 -- invalid -- bluehead shiner
  Notropis hudsonius (Clinton, 1824) -- valid -- queue à tache noire, queue à tâche noire, spottail shiner
  Notropis hypselopterus (Günther, 1868) -- invalid -- sailfin shiner
  Notropis hypsilepis Suttkus and Raney, 1955 -- valid -- highscale shiner
  Notropis hypsinotus (Cope, 1870) -- invalid -- highback chub
  Notropis jemezanus (Cope in Cope and Yarrow, 1875) -- valid -- carpita del Bravo, Rio Grande shiner
  Notropis leedsi Fowler, 1942 -- invalid -- bannerfin shiner
  Notropis leuciodus (Cope, 1868) -- valid -- Tennessee shiner
  Notropis lineapunctatus (Clemmer and Suttkus, 1971) -- invalid -- lined chub
  Notropis lirus Jordan, 1877 -- invalid -- mountain shiner
  Notropis longirostris (Hay, 1881) -- valid -- longnose shiner
  Notropis lutipinnis (Jordan and Brayton, 1878) -- valid -- yellowfin shiner
  Notropis lutrensis (Baird and Girard, 1853) -- invalid -- red shiner
  Notropis maculatus (Hay, 1881) -- valid -- taillight shiner
  Notropis mekistocholas Snelson, 1971 -- valid -- Cape Fear shiner
  Notropis niveus (Cope, 1870) -- invalid -- whitefin shiner
  Notropis nubilus (Forbes in Jordan, 1878) -- valid -- Ozark minnow, roseate shiner
  Notropis ortenburgeri Hubbs in Ortenburger and Hubbs, 1927 -- valid -- Kiamichi shiner
  Notropis oxyrhynchus Hubbs and Bonham, 1951 -- valid -- sharpnose shiner
  Notropis ozarcanus Meek, 1891 -- valid -- Ozark shiner
  Notropis perpallidus Hubbs and Black, 1940 -- valid -- peppered shiner
  Notropis petersoni Fowler, 1942 -- valid -- coastal shiner
  Notropis photogenis (Cope, 1865) -- valid -- silver shiner
  Notropis pilsbryi Fowler, 1904 -- invalid -- duskystripe shiner
  Notropis potteri Hubbs and Bonham, 1951 -- valid -- chub shiner
  Notropis procne (Cope, 1865) -- valid -- swallowtail shiner
  Notropis proserpinus (Girard, 1856) -- invalid -- proserpine shiner
  Notropis pyrrhomelas (Cope, 1870) -- invalid -- fieryblack shiner
  Notropis roseipinnis Hay in Jordan, 1885 -- invalid -- cherryfin shiner
  Notropis rubellus (Agassiz, 1850) -- valid -- rosyface shiner, tête rose
  Notropis rubricroceus (Cope, 1868) -- valid -- saffron shiner
  Notropis sabinae Jordan and Gilbert, 1886 -- valid -- Sabine shiner
  Notropis scabriceps (Cope, 1868) -- valid -- New River shiner
  Notropis scepticus (Jordan and Gilbert, 1883) -- valid -- sandbar shiner
  Notropis semperasper Gilbert, 1961 -- valid -- roughhead shiner
  Notropis shumardi (Girard, 1856) -- valid -- silverband shiner
  Notropis signipinnis Bailey and Suttkus, 1952 -- invalid -- flagfin shiner
  Notropis simus (Cope in Cope and Yarrow, 1875) -- valid -- bluntnose shiner, carpita chata
  Notropis spectrunculus (Cope, 1868) -- valid -- mirror shiner
  Notropis spilopterus (Cope, 1867) -- invalid -- spotfin shiner
  Notropis stilbius Jordan, 1877 -- valid -- silverstripe shiner
  Notropis stramineus (Cope, 1865) -- valid -- carpita arenera, méné paille, sand shiner
  Notropis telescopus (Cope, 1868) -- valid -- telescope shiner
  Notropis texanus (Girard, 1856) -- valid -- weed shiner
  Notropis topeka (Gilbert, 1884) -- valid -- Topeka shiner
  Notropis trichroistia (Jordan and Gilbert in Jordan and Brayton, 1878) -- invalid -- tricolor shiner
  Notropis trichroistius (Jordan and Gilbert in Jordan and Brayton, 1878) -- invalid -- tricolor shiner
  Notropis umbratilis (Girard, 1856) -- invalid -- redfin shiner
  Notropis uranoscopus Suttkus, 1959 -- valid -- skygazer shiner
  Notropis venustus (Girard, 1856) -- invalid -- blacktail shiner
  Notropis volucellus (Cope, 1865) -- valid -- méné pâle, mimic shiner
  Notropis welaka Evermann and Kendall, 1898 -- invalid -- bluenose shiner
  Notropis whipplei (Girard, 1856) -- invalid -- steelcolor shiner
  Notropis xaenocephalus (Jordan, 1877) -- valid -- Coosa shiner
  Notropis xaenurus (Jordan, 1877) -- invalid -- Altamaha shiner
  Notropis zonatus (Putnam, 1863) -- invalid -- bleeding shiner
  Notropis zonistius (Jordan, 1880) -- invalid -- bandfin shiner
  Noturus albater Taylor, 1969 -- valid -- Ozark madtom
  Noturus baileyi Taylor, 1969 -- valid -- smoky madtom
  Noturus elegans Taylor, 1969 -- valid -- elegant madtom
  Noturus eleutherus Jordan, 1877 -- valid -- mountain madtom
  Noturus exilis Nelson, 1876 -- valid -- slender madtom
  Noturus flavater Taylor, 1969 -- valid -- checkered madtom
  Noturus flavipinnis Taylor, 1969 -- valid -- yellowfin madtom
  Noturus flavus Rafinesque, 1818 -- valid -- barbotte des rapides, stonecat
  Noturus funebris Gilbert and Swain in Gilbert, 1891 -- valid -- black madtom
  Noturus furiosus Jordan and Meek in Jordan, 1889 -- valid -- Carolina madtom
  Noturus gilberti Jordan and Evermann in Jordan, 1889 -- valid -- orangefin madtom
  Noturus gyrinus (Mitchill, 1817) -- valid -- chat-fou brun, tadpole madtom
  Noturus hildebrandi (Bailey and Taylor, 1950) -- valid -- least madtom
  Noturus insignis (Richardson, 1836) -- valid -- chat-fou liséré, margined madtom
  Noturus lachneri Taylor, 1969 -- valid -- Ouachita madtom
  Noturus leptacanthus Jordan, 1877 -- valid -- speckled madtom
  Noturus miurus Jordan, 1877 -- valid -- brindled madtom, chat-fou tâcheté
  Noturus munitus Suttkus and Taylor, 1965 -- valid -- frecklebelly madtom
  Noturus nocturnus Jordan and Gilbert, 1886 -- valid -- freckled madtom
  Noturus phaeus Taylor, 1969 -- valid -- brown madtom
  Noturus placidus Taylor, 1969 -- valid -- Neosho madtom
  Noturus stanauli Etnier and Jenkins, 1980 -- valid -- pygmy madtom
  Noturus stigmosus Taylor, 1969 -- valid -- northern madtom
  Noturus taylori Douglas, 1972 -- valid -- Caddo madtom
  Noturus trautmani Taylor, 1969 -- valid -- Scioto madtom
  Novumbra hubbsi Schultz, 1929 -- valid -- Olympic mudminnow
  Nystactichthys halis Böhlke, 1957 -- invalid -- garden eel
  Occella dodecaedron (Tilesius, 1813) -- valid -- Bering poacher
  Occella impi Gruchy, 1970 -- invalid -- pixie poacher
  Occella verrucosa (Lockington, 1880) -- invalid -- warty poacher
  Ocyurus chrysurus (Bloch, 1791) -- valid -- rabirrubia, rubia, yellowtail snapper
  Odontaspis ferox (Risso, 1810) -- valid -- bumpytail raggedtooth, ragged-tooth shark, smalltooth sand tiger, tiburón dientes de perro
  Odontaspis taurus (Rafinesque, 1810) -- invalid -- sand tiger
  Odontopyxis trispinosa Lockington, 1880 -- valid -- bandido enano, pygmy poacher
  Odontoscion dentex (Cuvier in Cuvier and Valenciennes, 1830) -- valid -- corvina dentuda, reef croaker
  Ogcocephalidae Jordan, 1895 -- valid -- batfishes, chauves-souris de mer, murciélagos
  Ogcocephalus nasutus (Cuvier, 1829) -- valid -- murciélago tapacaminos, pez diablo ñato, shortnose batfish
  Ogcocephalus parvus Longley and Hildebrand, 1940 -- valid -- murciélago lomo áspero, roughback batfish
  Ogcocephalus radiatus (Mitchill, 1818) -- invalid -- polka-dot batfish, spotted batfish
  Ogcocephalus vespertilio (Linnaeus, 1758) -- valid -- longnose batfish, pez diablo narizón
  Ogilbia cayorum Evermann and Kendall, 1898 -- valid -- brótula rojiza, key brotula
  Oligocottus maculosus Girard, 1856 -- valid -- tidepool sculpin
  Oligocottus rimensis (Greeley, 1899) -- valid -- charrasco ensillado, saddleback sculpin
  Oligocottus rubellio (Greeley, 1899) -- valid -- charrasco rosado, rosy sculpin
  Oligocottus snyderi Greeley in Jordan and Evermann, 1898 -- valid -- charrasco peludo, fluffy sculpin
  Oligoplites saurus (Bloch and Schneider, 1801) -- valid -- leatherjack, leatherjacket, piña sietecueros, zapatero
  Oligopus claudei (de la Torre y Huerta, 1930) -- invalid -- reef-cave brotula
  Oligopus diagrammus (Heller and Snodgrass, 1903) -- invalid -- purple brotula
  Oncorhynchus aguabonita (Jordan, 1892) -- valid -- California golden trout, golden trout
  Oncorhynchus apache (Miller, 1972) -- valid -- Apache trout, Arizona trout
  Oncorhynchus clarkii (Richardson, 1836) -- valid -- cutthroat trout, trucha degollada, truite fardée
  Oncorhynchus gilae (Miller, 1950) -- valid -- Gila trout
  Oncorhynchus gorbuscha (Walbaum, 1792) -- valid -- humpback, humpbacked salmon, pink salmon, saumon rose
  Oncorhynchus keta (Walbaum in Artedi, 1792) -- valid -- chum salmon
  Oncorhynchus kisutch (Walbaum, 1792) -- valid -- coho salmon, salmón plateado, saumon coho, silver salmon
  Oncorhynchus mykiss (Walbaum, 1792) -- valid -- rainbow trout, redband trout, steelhead, trucha arcoiris, truite arc-en-ciel
  Oncorhynchus nerka (Walbaum in Artedi, 1792) -- valid -- blueback salmon, kokanee, red salmon, saumon rouge, sockeye salmon
  Oncorhynchus tshawytscha (Walbaum in Artedi, 1792) -- valid -- Chinook salmon, king salmon, salmón boquinegra, saumon chinook
  Oostethus brachyurus (Bleeker, 1853) -- invalid -- opossum pipefish, opposum pipefish
  Ophichthus cruentifer (Goode and Bean, 1896) -- valid -- margined snake eel
  Ophichthus gomesi (Castelnau, 1855) -- invalid -- shrimp eel
  Ophichthus melanoporus Kanazawa, 1963 -- valid -- blackpored eel
  Ophichthus ocellatus (Lesueur, 1825) -- invalid -- palespotted eel
  Ophichthus ophis (Linnaeus, 1758) -- valid -- safío de manchas negras, spotted snake eel
  Ophichthus triserialis (Kaup, 1856) -- valid -- Pacific snake eel, tieso del Pacífico
  Ophichthus zophochir Jordan and Gilbert, 1882 -- valid -- tieso amarillo, yellow snake eel
  Ophidion beani Jordan and Gilbert, 1883 -- invalid -- longnose cusk-eel
  Ophidion grayi (Fowler, 1948) -- valid -- blotched cusk-eel
  Ophidion holbrooki Putnam, 1874 -- invalid -- bank cusk-eel
  Ophidion marginatum DeKay, 1842 -- valid -- striped cusk-eel
  Ophidion scrippsae (Hubbs, 1916) -- valid -- basketweave cusk-eel, congriperla canastera
  Ophidion selenops Robins and Böhlke, 1959 -- valid -- mooneye cusk-eel
  Ophidion welshi (Nichols and Breder, 1922) -- invalid -- crested cusk-eel
  Ophioblennius atlanticus (Valenciennes in Cuvier and Valenciennes, 1836) -- valid -- redlip blenny
  Ophiodon elongatus Girard, 1854 -- valid -- lingcod, molva
  Opisthonema medirastre Berry and Barrett, 1963 -- valid -- middling thread herring, sardina crinuda machete
  Opisthonema oglinum (Lesueur, 1818) -- valid -- Atlantic thread herring, machuelo, sardina vivita de hebra
  Opistognathus Cuvier, 1816 -- valid -- spotfin jawfishes
  Opistognathus aurifrons (Jordan and Thompson, 1905) -- valid -- bocón cabeza amarilla, guardian cabeziamarillo, yellowhead jawfish
  Opistognathus lonchurus Jordan and Gilbert, 1882 -- valid -- bocón bigote, guardian verdoso, moustache jawfish
  Opistognathus macrognathus Poey, 1860 -- valid -- banded jawfish, guardian bocón, longjaw jawfish, spotfin jawfish
  Opistognathus maxillosus Poey, 1860 -- valid -- bocón moteado, guardian jaspeado, mottled jawfish
  Opistognathus melachasme Smith-Vaniz, 1972 -- valid -- megabocón, megamouth jawfish, yellowmouth jawfish
  Opistognathus whitehursti (Longley, 1927) -- valid -- bocón prieto, dusky jawfish, guardian escamudo
  Opsanus beta (Goode and Bean, 1880) -- valid -- Gulf toadfish, sapo boquiblanca, sapo de boca blanca
  Opsanus pardus (Goode and Bean, 1880) -- valid -- leopard toadfish, sapo leopardo
  Opsanus tau (Linnaeus, 1766) -- valid -- oyster toadfish
  Opsopoeodus emiliae Hay, 1881 -- valid -- pugnose minnow
  Oregonichthys crameri (Snyder, 1908) -- valid -- Oregon chub
  Oreochromis mossambicus (Peters, 1852) -- valid -- Mozambique mouth-breeder, Mozambique mouthbrooder, Mozambique tilapia, tilapia mosambica
  Orthodon microlepidotus (Ayres, 1854) -- valid -- Sacramento blackfish
  Orthonopias triacis Starks and Mann, 1911 -- valid -- charrasco chato, snubnose sculpin
  Orthopristis chrysoptera (Linnaeus, 1766) -- valid -- burro, corocoro armado, pigfish
  Osmerus mordax (Mitchill, 1814) -- valid -- éperlan arc-en-ciel, rainbow smelt
  Ostichthys trachypoma (Günther, 1859) -- valid -- bigeye soldierfish, candil de lo alto
  Ostracion diaphanum Bloch & Schneider, 1801 -- invalid -- spiny boxfish
  Otophidium dormitator Böhlke and Robins, 1959 -- valid -- sleeper cusk-eel
  Otophidium omostigma (Jordan and Gilbert, 1882) -- valid -- congriperla lunareja, polka-dot cusk-eel
  Otophidium omostigmum (Jordan and Gilbert, 1882) -- invalid -- polka-dot cusk-eel
  Otophidium taylori (Girard, 1858) -- invalid -- spotted cusk-eel
  Oxyjulis californica (Günther, 1861) -- valid -- senorita, señorita, señorita, señorita californiana
  Oxylebius pictus Gill, 1862 -- valid -- molva pinta, painted greenling
  Oxyporhamphus micropterus (Valenciennes in Cuvier and Valenciennes, 1847) -- valid -- smallwing flyingfish, volador alita
  Pagrus pagrus (Linnaeus, 1758) -- valid -- red porgy, sargo rojo
  Palatogobius paradoxus Gilbert, 1971 -- valid -- mauve goby
  Pallasina barbata (Steindachner, 1876) -- valid -- tubenose poacher
  Parablennius marmoreus (Poey, 1876) -- valid -- blenio marmoreo, borracho marmóreo, seaweed blenny
  Paraclinus cingulatus (Evermann and Marsh, 1899) -- valid -- coral blenny, sapito coral, trambollito coralino
  Paraclinus fasciatus (Steindachner, 1876) -- valid -- banded blenny, sapito ocelado, trambollito ocelado
  Paraclinus grandicomis (Rosén, 1911) -- valid -- horned blenny, sapito tarrudo
  Paraclinus infrons Böhlke, 1960 -- valid -- bald blenny, trambollito pelón
  Paraclinus integripinnis (Smith, 1880) -- valid -- reef finspot, trambollito de arrecife
  Paraclinus marmoratus (Steindachner, 1876) -- valid -- marbled blenny, sapito punteado
  Paraclinus nigripinnis (Steindachner, 1867) -- valid -- blackfin blenny, sapito aletinegro, trambollito aletinegra
  Paraconger caudilimbatus (Poey, 1867) -- valid -- congrio, congrio cola de bordes, margintail conger
  Paradiplogrammus bairdi (Jordan in Eigenmann and Eigenmann, 1888) -- valid -- dragoncillo coralino, lancer dragonet
  Parahollardia lineata (Longley, 1935) -- valid -- cochi rombo, Jambeau, jambeau
  Paralabrax clathratus (Girard, 1854) -- valid -- cabrilla sargacera, kelp bass
  Paralabrax maculatofasciatus (Steindachner, 1868) -- valid -- cabrilla de roca, spotted sand bass
  Paralabrax nebulifer (Girard, 1854) -- valid -- barred sand bass, cabrilla verde de arena
  Paralepis atlantica Krøyer, 1868 -- invalid -- barracudina pequeña
  Paralepis atlanticus Krøyer, 1868 -- invalid -- barracudina pequeña, duckbill barracudina
  Paralichthys albigutta Jordan & Gilbert, 1882 -- valid -- Gulf flounder, Gulf Flounder, lenguado panzablanca
  Paralichthys californicus (Ayres, 1859) -- valid -- California halibut, California Halibut, lenguado californiano
  Paralichthys dentatus (Linnaeus, 1766) -- valid -- cardeau d'été, fluke, summer flounder, Summer Flounder
  Paralichthys lethostigma Jordan & Gilbert in Jordan & Meek, 1884 -- valid -- lenguado limpio, Southern Flounder, southern flounder
  Paralichthys oblongus (Mitchill, 1815) -- valid -- cardeau à quatre ocelles, Fourspot Flounder, fourspot flounder
  Paralichthys squamilentus Jordan & Gilbert, 1882 -- valid -- broad flounder, Broad Flounder, lenguado huarachón
  Paraliparis deani Burke, 1912 -- valid -- prickly snailfish
  Paranthias furcifer (Valenciennes in Cuvier and Valenciennes, 1828) -- valid -- Atlantic creolefish, Creole-fish, rabirrubia de lo alto, rabirrubia del Golfo
  Parasudis truculenta (Goode and Bean, 1896) -- valid -- longnose greeneye, ojiverde espátula, ojiverde truculento
  Pareques acuminatus (Bloch and Schneider, 1801) -- valid -- high-hat, payasito largo, vaqueta rayada
  Pareques umbrosus (Jordan and Eigenmann, 1889) -- valid -- cubbyu, payasito prieto
  Parexocoetus brachypterus (Richardson, 1846) -- valid -- sailfin flyingfish, volador aletón, volador velero
  Paricelinus hopliticus Eigenmann and Eigenmann, 1889 -- valid -- thornback sculpin
  Parmaturus xaniurus (Gilbert, 1892) -- valid -- filetail cat shark, pejegato lima
  Parophidion schmidti (Woods and Kanazawa, 1951) -- valid -- congriperla parda, dusky cusk-eel
  Pempheris schomburgkii Müller and Troschel in Schomburgk, 1848 -- valid -- barrendero transparente, glassy sweeper, pemferis bandeado
  Pentaceros richardsoni Smith, 1844 -- invalid -- pelagic armorhead
  Peprilus alepidotus (Linnaeus, 1766) -- invalid -- harvestfish
  Peprilus burti Fowler, 1944 -- valid -- Gulf butterfish, palometa del Golfo
  Peprilus simillimus (Ayres, 1860) -- valid -- Pacific pompano, palometa plateada
  Peprilus triacanthus (Peck, 1804) -- valid -- butterfish, palometa estrecha, stromatée à fossettes
  Perca flavescens (Mitchill, 1814) -- valid -- perchaude, yellow perch
  Percina antesella Williams and Etnier, 1977 -- valid -- amber darter
  Percina aurantiaca (Cope, 1868) -- valid -- tangerine darter
  Percina aurolineata Suttkus and Ramsey, 1967 -- valid -- goldline darter
  Percina burtoni Fowler, 1945 -- valid -- blotchside logperch
  Percina caprodes (Rafinesque, 1818) -- valid -- fouille-roche zébré, logperch
  Percina copelandi (Jordan, 1877) -- valid -- channel darter, fouille-roche gris
  Percina crassa (Jordan and Brayton, 1878) -- valid -- Piedmont darter
  Percina cymatotaenia (Gilbert and Meek in Gilbert, 1887) -- valid -- bluestripe darter
  Percina evides (Jordan and Copeland in Jordan, 1877) -- valid -- gilt darter
  Percina gymnocephala Beckham, 1980 -- valid -- Appalachia darter
  Percina lenticula Richards and Knapp, 1964 -- valid -- freckled darter
  Percina macrocephala (Cope, 1867) -- valid -- longhead darter
  Percina macrolepida Stevenson, 1971 -- valid -- bigscale logperch, perca escamona
  Percina maculata (Girard, 1859) -- valid -- blackside darter
  Percina nasuta (Bailey, 1941) -- valid -- longnose darter
  Percina nigrofasciata (Agassiz, 1854) -- valid -- blackbanded darter
  Percina notogramma (Raney and Hubbs, 1948) -- valid -- stripeback darter
  Percina oxyrhyncha (Hubbs and Raney, 1939) -- invalid -- sharpnose darter, sharpnose darter
  Percina palmaris (Bailey, 1940) -- valid -- bronze darter
  Percina pantherina (Moore and Reeves, 1955) -- valid -- leopard darter
  Percina peltata (Stauffer in Cope, 1864) -- valid -- shield darter
  Percina phoxocephala (Nelson, 1876) -- valid -- slenderhead darter
  Percina rex (Jordan and Evermann in Jordan, 1889) -- valid -- Roanoke logperch
  Percina roanoka (Jordan and Jenkins in Jordan, 1889) -- valid -- Roanoke darter
  Percina sciera (Swain, 1883) -- valid -- dusky darter
  Percina shumardi (Girard, 1859) -- valid -- river darter
  Percina squamata (Gilbert and Swain in Gilbert, 1887) -- valid -- olive darter
  Percina tanasi Etnier, 1976 -- valid -- snail darter
  Percina uranidea (Jordan and Gilbert in Gilbert, 1887) -- valid -- stargazing darter
  Percina vigil (Hay, 1882) -- valid -- saddleback darter
  Percopsidae Agassiz, 1850 -- valid -- omiscos, percas falsas, trout perches, trout-perches
  Percopsis omiscomaycus (Walbaum, 1792) -- valid -- omisco, trout-perch
  Percopsis transmontana (Eigenmann and Eigenmann in Eigenmann, 1892) -- valid -- sand roller
  Peristedion brevirostre (Günther, 1860) -- valid -- flathead searobin
  Peristedion gracile Goode and Bean, 1896 -- valid -- espátula esbelta, slender searobin, vaquita blindada flaca
  Peristedion miniatum Goode, 1880 -- valid -- armored searobin
  Peristedion thompsoni Fowler, 1952 -- valid -- rimspine searobin
  Petromyzon marinus Linnaeus, 1758 -- valid -- lake lamprey, lamproie marine, sea lamprey
  Petrotyx sanguineus (Meek and Hildebrand, 1928) -- valid -- brótula aletiroja, redfin brotula
  Phaeoptyx conklini (Silvester, 1915) -- valid -- cardenal pecoso, freckled cardinalfish
  Phaeoptyx pigmentaria (Poey, 1860) -- valid -- cardenal pigmentado, cardenal prieto, dusky cardinalfish
  Phaeoptyx xenus (Böhlke and Randall, 1968) -- valid -- cardenal esponjero, cardenal violáeo, sponge cardinalfish
  Phallocottus obtusus Schultz, 1938 -- valid -- spineless sculpin
  Phanerodon atripes (Jordan and Gilbert, 1880) -- valid -- mojarra picuda, sharpnose seaperch
  Phanerodon furcatus Girard, 1854 -- valid -- mojarra lomo rayado, white seaperch
  Phenacobius catostomus Jordan, 1877 -- valid -- riffle minnow
  Phenacobius crassilabrum Minckley and Craddock, 1962 -- valid -- fatlips minnow
  Phenacobius mirabilis (Girard, 1856) -- valid -- suckermouth minnow
  Phenacobius teretulus Cope, 1867 -- valid -- Kanawha minnow
  Phenacobius uranops Cope, 1867 -- valid -- stargazing minnow
  Pholis clemensi Rosenblatt, 1964 -- valid -- longfin gunnel
  Pholis fasciata (Bloch and Schneider, 1801) -- valid -- banded gunnel
  Pholis gilli Evermann and Goldsborough, 1907 -- invalid -- Bering gunnel
  Pholis gunnellus (Linnaeus, 1758) -- valid -- rock gunnel, sigouine de roche
  Pholis laeta (Cope, 1873) -- valid -- crescent gunnel
  Pholis ornata (Girard, 1854) -- valid -- saddleback gunnel
  Pholis schultzi Schultz, 1931 -- valid -- red gunnel
  Phoxinus cumberlandensis Starnes and Starnes, 1978 -- invalid -- blackside dace
  Phoxinus eos (Cope, 1861) -- invalid -- northern redbelly dace, ventre rouge du nord
  Phoxinus erythrogaster (Rafinesque, 1820) -- invalid -- southern redbelly dace
  Phoxinus neogaeus Cope, 1867 -- invalid -- finescale dace, ventre citron
  Phoxinus oreas (Cope, 1868) -- invalid -- mountain redbelly dace
  Phtheirichthys lineatus (Menzies, 1791) -- valid -- pez pega lineado, rémora delgada, slender suckerfish
  Phycis chesteri Goode and Bean, 1878 -- valid -- longfin hake
  Phytichthys chirus (Jordan and Gilbert, 1880) -- valid -- ribbon prickleback
  Pimephales notatus (Rafinesque, 1820) -- valid -- bluntnose minnow, ventre-pourri
  Pimephales promelas Rafinesque, 1820 -- valid -- carpita cabezona, fathead minnow, tête-de-boule
  Pimephales tenellus (Girard, 1856) -- valid -- slim minnow
  Pimephales vigilax (Baird and Girard, 1853) -- valid -- bullhead minnow, carpita cabeza de toro
  Plagiogrammus hopkinsi Bean, 1894 -- invalid -- crisscross prickleback
  Plagopterus argentissimus Cope, 1874 -- valid -- woundfin
  Platichthys stellatus (Pallas, 1787) -- valid -- flet étoilé, starry flounder, Starry Flounder
  Platybelone argalus (Lesueur, 1821) -- valid -- agujón aquillado, agujón de quilla, keeltail needlefish
  Platygillellus rubrocinctus (Longley, 1934) -- valid -- mirón barreado, saddle stargazer
  Platyrhinoidis triseriata (Jordan and Gilbert, 1880) -- valid -- guitarra espinuda, thornback
  Plectobranchus evides Gilbert, 1890 -- valid -- bluebarred prickleback
  Plectranthias garrupellus Robins and Starck, 1961 -- valid -- apricot bass
  Plectrypops retrospinis (Guichenot, 1853) -- valid -- candil cardenal, cardinal soldierfish, goggle-eyed squirrelfish
  Pleurogrammus monopterygius (Pallas, 1810) -- valid -- Atka mackerel
  Pleuronectes asper Pallas, 1814 -- invalid -- yellowfin sole
  Pleuronectes bilineatus Bloch, 1787 -- invalid -- rock sole
  Pleuronectes ferrugineus (Storer, 1839) -- invalid -- limande à queue jaune, yellowtail flounder
  Pleuronectes glacialis Pallas, 1776 -- invalid -- Arctic flounder, Arctic Flounder, plie arctique
  Pleuronectes isolepis (Lockington, 1880) -- invalid -- butter sole
  Pleuronectes proboscideus (Gilbert, 1896) -- invalid -- longhead dab
  Pleuronectes putnami (Gill, 1864) -- invalid -- eelback, plie lisse, Smooth Flounder, smooth flounder, smoothback flounder
  Pleuronectes quadrituberculatus Pallas, 1814 -- valid -- Alaska plaice, Alaska Plaice
  Pleuronectes vetulus (Girard, 1854) -- invalid -- English sole
  Pleuronichthys coenosus Girard, 1854 -- valid -- C-O sole, C-O Sole, platija de fango, plie vaseuse
  Pleuronichthys decurrens Jordan & Gilbert, 1881 -- valid -- curlfin sole, Curlfin Sole, platija aleta de rizo, plie à nageoires frisées
  Pleuronichthys ritteri Starks & Morris, 1907 -- valid -- platija moteada, Spotted Turbot, spotted turbot
  Pleuronichthys verticalis Jordan & Gilbert, 1880 -- valid -- hornyhead turbot, Hornyhead Turbot, platija cornuda
  Poecilia formosa (Girard, 1859) -- valid -- Amazon molly, topote amazona
  Poecilia latipinna (Lesueur, 1821) -- valid -- sailfin molly, topote velo negro
  Poecilia mexicana Steindachner, 1863 -- valid -- shortfin molly, topote del Atlántico
  Poecilia reticulata Peters, 1859 -- valid -- gupi, guppy, millions fish, rainbowfish
  Poeciliopsis gracilis (Heckel, 1848) -- valid -- guatopote jarocho, porthole livebearer
  Poeciliopsis occidentalis (Baird and Girard, 1853) -- valid -- Gila topminnow, guatopote de Sonora
  Pogonias cromis (Linnaeus, 1766) -- valid -- black drum, corvina negra, tambor negro
  Pogonichthys ciscoides Hopkirk, 1974 -- valid -- Clear Lake splittail
  Pogonichthys macrolepidotus (Ayres, 1854) -- valid -- Sacramento splittail, splittail
  Pollachius virens (Linnaeus, 1758) -- valid -- carbonero, coalfish, goberge, lieu noir, pollock, saithe
  Polydactylus approximans (Lay and Bennett, 1839) -- valid -- barbudo seis barbas, blue bobo
  Polydactylus octonemus (Girard, 1858) -- valid -- Atlantic threadfin, barbudo ocho barbas
  Polydactylus oligodon (Günther, 1860) -- valid -- barbudo siete barbas, littlescale threadfin
  Polydactylus opercularis (Gill, 1863) -- valid -- barbudo nueve barbas, yellow bobo
  Polydactylus virginicus (Linnaeus, 1758) -- valid -- barbu, barbudo, barbudo barbú
  Polymixia lowei Günther, 1859 -- valid -- barbudo, barbudo de lo alto, beardfish, cola de maguey
  Polyodon spathula (Walbaum, 1792) -- valid -- American paddlefish, paddlefish
  Polyprion americanus (Bloch and Schneider, 1801) -- valid -- wreckfish
  Pomacanthus arcuatus (Linnaeus, 1758) -- valid -- chivirica gris, gallineta café, gray angelfish
  Pomacanthus paru (Bloch, 1787) -- valid -- chivirica francesa, French angelfish, gallineta negra
  Pomacentrus diencaeus (Jordan and Rutter, 1897) -- invalid -- longfin damselfish
  Pomacentrus fuscus Cuvier in Cuvier and Valenciennes, 1830 -- invalid -- dusky damselfish
  Pomacentrus leucostictus Müller and Troschel in Schomburgk, 1848 -- invalid -- beaugregory
  Pomacentrus partitus Poey, 1868 -- invalid -- bicolor damselfish
  Pomacentrus planifrons Cuvier in Cuvier and Valenciennes, 1830 -- invalid -- threespot damselfish
  Pomacentrus variabilis Castelnau, 1855 -- invalid -- cocoa damselfish
  Pomadasys crocro (Cuvier in Cuvier and Valenciennes, 1830) -- valid -- burro grunt, corocoro crocro, ticopa
  Pomatomus saltatrix (Linnaeus, 1766) -- valid -- anjova, bluefish
  Pomoxis annularis Rafinesque, 1818 -- valid -- white crappie
  Pomoxis nigromaculatus (Lesueur in Cuvier and Valenciennes, 1829) -- valid -- black crappie, marigane noire, mojarra negra
  Pontinus castor Poey, 1860 -- valid -- longsnout scorpionfish, rascacio de lo alto
  Pontinus longispinis Goode and Bean, 1896 -- valid -- lapón mariposa, longspine scorpionfish
  Pontinus nematophthalmus (Günther, 1860) -- valid -- lapón aleta baja, spinythroat scorpionfish
  Pontinus rathbuni Goode and Bean, 1896 -- valid -- highfin scorpionfish
  Porichthys myriaster Hubbs and Schultz, 1939 -- valid -- sapo aleta pintada, specklefin midshipman
  Porichthys notatus Girard, 1854 -- valid -- plainfin midshipman, sapo aleta lucia
  Porichthys plectrodon Jordan and Gilbert, 1882 -- valid -- Atlantic midshipman, doradilla, sapo narinero
  Poroclinus rothrocki Bean, 1890 -- valid -- whitebarred prickleback
  Priacanthus arenatus Cuvier in Cuvier and Valenciennes, 1829 -- valid -- bigeye, catalufa ojón, catalufa toro
  Priacanthus cruentatus (Lacepède, 1801) -- invalid -- bulleye, glasseye snapper
  Prionace glauca (Linnaeus, 1758) -- valid -- blue shark, requin bleu, tiburón azul
  Prionotus alatus Goode and Bean, 1883 -- valid -- rubio espinoso, spiny searobin
  Prionotus carolinus (Linnaeus, 1771) -- valid -- common searobin, northern searobin
  Prionotus evolans (Linnaeus, 1766) -- valid -- striped searobin
  Prionotus martis Ginsburg, 1950 -- valid -- barred searobin, rubio de barras
  Prionotus ophryas Jordan and Swain, 1885 -- valid -- bandtail searobin, rubio cola bandeada
  Prionotus paralatus Ginsburg, 1950 -- valid -- Mexican searobin, rubio mexicano
  Prionotus roseus Jordan and Evermann, 1887 -- valid -- bluespotted searobin, rubio manchas azules
  Prionotus rubio Jordan, 1886 -- valid -- blackfin searobin, blackwing searobin, espátula aletinegra, rubio aletinegra
  Prionotus scitulus Jordan and Gilbert, 1882 -- valid -- leopard searobin, rubio leopardo
  Prionotus stearnsi Jordan and Swain, 1885 -- valid -- rubio pequeño, shortwing searobin
  Prionotus stephanophrys Lockington, 1881 -- valid -- lumptail searobin, vaca voladora
  Prionotus tribulus Cuvier in Cuvier and Valenciennes, 1829 -- valid -- bighead searobin, rubio cabezón
  Pristigenys alta (Gill, 1862) -- valid -- catalufa de lo alto, short bigeye
  Pristigenys serrula (Gilbert, 1891) -- valid -- catalufa semáforo, popeye catalufa
  Pristipomoides aquilonaris (Goode and Bean, 1896) -- valid -- huachinango navaja, wenchman
  Pristis pectinata Latham, 1794 -- valid -- pez sierra, pez sierra peine, smalltooth sawfish, wide sawfish
  Prognichthys gibbifrons (Valenciennes in Cuvier and Valenciennes, 1847) -- valid -- bluntnose flyingfish
  Pronotogrammus multifasciatus Gill, 1863 -- valid -- serrano baga, threadfin bass
  Prosopium abyssicola (Snyder, 1919) -- valid -- Bear Lake whitefish
  Prosopium coulteri (Eigenmann and Eigenmann, 1892) -- invalid -- pygmy whitefish
  Prosopium cylindraceum (Pennant, 1784) -- valid -- ménomini rond, round whitefish
  Prosopium gemmifer (Snyder, 1919) -- valid -- Bonneville cisco
  Prosopium spilonotus (Snyder, 1919) -- valid -- Bonneville whitefish
  Prosopium williamsoni (Girard, 1856) -- valid -- mountain whitefish
  Protomyctophum crockeri (Bolin, 1939) -- valid -- California flashlightfish, flashlightfish, linternilla luciérnaga
  Psenes cyanophrys Valenciennes in Cuvier and Valenciennes, 1833 -- valid -- derivante rayado, freckled driftfish, pastorcillo amarillento
  Psenes maculatus Lütken, 1880 -- valid -- silver driftfish
  Psenes pellucidus Lütken, 1880 -- valid -- bluefin driftfish, derivante aleta azul
  Psettichthys melanostictus Girard, 1854 -- valid -- sand sole, Sand Sole, sole de sable
  Pseudogramma gregoryi (Breder, 1927) -- valid -- jaboncillo arrecifal, reef bass
  Pseudotriakis microdon Brito Capello, 1868 -- valid -- falsa gata, false cat shark
  Pseudupeneus grandisquamis (Gill, 1863) -- valid -- bigscale goatfish, chivo, chivo escamudo
  Pseudupeneus maculatus (Bloch, 1793) -- valid -- chivo manchado, salmonete colorado, spotted goatfish
  Psychrolutes paradoxus Günther, 1861 -- valid -- tadpole sculpin
  Psychrolutes sigalutes (Jordan and Starks, 1895) -- invalid -- soft sculpin
  Pteraclis aesticola (Jordan and Snyder, 1901) -- valid -- abanico del Pacífico, Pacific fanfish
  Pterycombus brama Fries, 1837 -- valid -- Atlantic fanfish, silver sea bream
  Ptilichthys goodei Bean, 1881 -- valid -- quillfish
  Ptychocheilus grandis (Ayres, 1854) -- valid -- Sacramento pikeminnow, Sacramento squawfish
  Ptychocheilus lucius Girard, 1856 -- valid -- carpa gigante del Colorado, Colorado pikeminnow, Colorado squawfish
  Ptychocheilus oregonensis (Richardson, 1836) -- valid -- northern pikeminnow, northern squawfish
  Ptychocheilus umpquae Snyder, 1908 -- valid -- Umpqua pikeminnow, Umpqua squawfish
  Pungitius pungitius (Linnaeus, 1758) -- valid -- épinoche à neuf épines, ninespine stickleback, tenspined stickleback
  Pylodictis olivaris (Rafinesque, 1818) -- valid -- bagre piltonte, flathead catfish
  Quietula y-cauda (Jenkins and Evermann, 1889) -- valid -- gobio sombreado, shadow goby
  Rachycentron canadum (Linnaeus, 1766) -- valid -- cobia, cobia
  Radulinus asprellus Gilbert, 1890 -- valid -- charrasco flaco, slim sculpin
  Radulinus boleoides Gilbert in Jordan and Evermann, 1898 -- valid -- darter sculpin
  Radulinus vinculus Bolin, 1950 -- valid -- smoothgum sculpin
  Raja ackleyi Garman, 1881 -- valid -- ocellate skate, raya ocelada
  Raja binoculata Girard, 1855 -- valid -- big skate, raya bruja gigante
  Raja eglanteria Bosc in Lacepède, 1800 -- valid -- clearnose skate, raya naricita
  Raja erinacea Mitchill, 1825 -- invalid -- little skate, raie hérisson
  Raja garmani Whitley, 1939 -- invalid -- rosette skate
  Raja inornata Jordan and Gilbert, 1881 -- valid -- California skate, raya de California
  Raja kincaidi Garman, 1908 -- invalid -- sandpaper skate
  Raja laevis Mitchill, 1818 -- invalid -- barndoor skate, grande raie
  Raja ocellata Mitchill, 1815 -- invalid -- raie tâchetée, winter skate
  Raja olseni Bigelow and Schroeder, 1951 -- invalid -- spreadfin skate
  Raja radiata Donovan, 1808 -- invalid -- raie épineuse, thorny skate
  Raja rhina Jordan and Gilbert, 1880 -- valid -- longnose skate, raya narigona
  Raja rosispinis Gill and Townsend, 1897 -- invalid -- flathead skate
  Raja senta Garman, 1885 -- invalid -- raie à queue de velours, smooth skate
  Raja spinicauda Jensen, 1914 -- invalid -- raie à queue épineuse, spinytail skate
  Raja stellulata Jordan and Gilbert, 1880 -- valid -- raya estrellada, starry skate
  Raja texana Chandler, 1921 -- valid -- raya tigre, roundel skate
  Ranzania laevis (Pennant, 1776) -- valid -- mola flaca, pez luna colitruncado, slender mola, Slender Mola
  Rathbunella alleni Gilbert, 1904 -- valid -- ronco pelón aletirrayada, rough ronquil, rough ronquil, stripefin ronquil
  Rathbunella hypoplecta (Gilbert in Soldatov and Lindberg, 1890) -- valid -- bluebanded ronquil, ronco pelón rayado, smooth ronquil
  Regalecus glesne Ascanius, 1772 -- valid -- oarfish, rey de los arenques
  Reinhardtius hippoglossoides (Walbaum, 1792) -- valid -- flétan du Groenland, greeenland halibut, Greenland Halibut, Greenland halibut, Greenland turbot, Newfoundland turbot, platija negra, turbot
  Relictus solitarius Hubbs and Miller, 1972 -- valid -- relict dace
  Remora australis (Bennett, 1840) -- valid -- rémora ballenera, whalesucker
  Remora brachyptera (Lowe, 1839) -- valid -- pez pega robusto, rémora robusta, spearfish remora
  Remora osteochir (Cuvier, 1829) -- valid -- marlinsucker, pez pega disco, rémora marlinera
  Remora remora (Linnaeus, 1758) -- valid -- common remora, remora, rémora tiburonera
  Remorina albescens (Temminck and Schlegel, 1850) -- valid -- white suckerfish
  Rhacochilus toxotes Agassiz, 1854 -- valid -- mojarra labios de hule, rubberlip seaperch
  Rhacochilus vacca (Girard, 1855) -- valid -- mojarra muellera, pile perch
  Rhamphocottus richardsoni Günther, 1874 -- invalid -- grunt sculpin
  Rhincodon typus Smith, 1828 -- valid -- dámero, requin baleine, tiburón ballena, whale shark
  Rhinichthys atratulus (Hermann, 1804) -- valid -- blacknose dace, eastern blacknose dace, naseux noir, naseux noir de l'est
  Rhinichthys cataractae (Valenciennes in Cuvier and Valenciennes, 1842) -- valid -- carpita rinconera, longnose dace, naseux des rapides
  Rhinichthys cobitis (Girard, 1856) -- valid -- carpita locha, loach dace, loach minnow
  Rhinichthys evermanni Snyder, 1908 -- valid -- Umpqua dace
  Rhinichthys falcatus (Eigenmann and Eigenmann, 1893) -- valid -- leopard dace
  Rhinichthys osculus (Girard, 1856) -- valid -- carpita pinta, speckled dace
  Rhinobatos lentiginosus Garman, 1880 -- valid -- Atlantic guitarfish, guitarra diablito
  Rhinobatos productus (Ayres, 1854) -- valid -- guitarra viola, shovelnose guitarfish
  Rhinoptera bonasus (Mitchill, 1815) -- valid -- cara de vaca, cownose ray, gavilán cubanito
  Rhizoprionodon longurio (Jordan and Gilbert, 1882) -- valid -- cazón bironche, Pacific sharpnose shark
  Rhizoprionodon terraenovae (Richardson, 1836) -- valid -- Atlantic sharpnose shark, cazón de ley, cazón de playa
  Rhodeus sericeus (Pallas, 1776) -- valid -- bitterling
  Rhodymenichthys dolichogaster (Pallas, 1814) -- valid -- stippled gunnel
  Rhomboplites aurorubens (Cuvier in Cuvier and Valenciennes, 1829) -- valid -- besugo, cotorro, vermilion snapper
  Richardsonius balteatus (Richardson, 1836) -- valid -- redside shiner
  Richardsonius egregius (Girard, 1858) -- valid -- Lahontan redside, Lahontan shiner
  Rimicola eigenmanni (Gilbert, 1890) -- valid -- chupiedra flaca, slender clingfish
  Rimicola muscarum (Meek and Pierson, 1895) -- valid -- chupapiedra sargacera, kelp clingfish
  Risor ruber (Rosén, 1911) -- valid -- gobio boquita, gobio de boca chica, tusked goby
  Rivulus harti (Boulenger, 1890) -- invalid -- giant rivulus, Hart's rivulus, rainfish, Trinidad rivulus
  Rivulus hartii (Boulenger, 1890) -- valid -- giant rivulus, Hart's rivulus, rainfish, Trinidad rivulus
  Rivulus marmoratus Poey, 1880 -- valid -- almirante de manglar, mangrove rivulus, Matanzas rivulus, rivulo de mangle, rivulo matancero, rivulus
  Roncador stearnsi (Steindachner, 1876) -- invalid -- spotfin croaker
  Roncador stearnsii (Steindachner, 1876) -- valid -- roncador aleta manchada, spotfin croaker
  Ronquilus jordani (Gilbert, 1889) -- valid -- northern ronquil
  Ruscarius creaseri (Hubbs, 1926) -- valid -- charrasco cachetirugoso, roughcheek sculpin
  Ruscarius meanyi Jordan and Starks, 1895 -- valid -- Puget Sound sculpin
  Ruvettus pretiosus Cocco, 1833 -- valid -- escolar, escolar clavo, oilfish
  Rypticus bistrispinus (Mitchill, 1818) -- valid -- freckled soapfish, jaboncillo pecoso, jabonero pecoso
  Rypticus maculatus Holbrook, 1855 -- valid -- jabonero albipunteado, whitespotted soapfish
  Rypticus saponaceus (Bloch and Schneider, 1801) -- valid -- greater soapfish, jaboncillo máximo, jabonero grande
  Rypticus subbifrenatus Gill, 1861 -- valid -- jaboncillo punteado, jabonero punteado, spotted soapfish
  Salmo salar Linnaeus, 1758 -- valid -- Atlantic salmon, saumon atlantique
  Salmo trutta Linnaeus, 1758 -- valid -- brown trout, truite brune
  Salvelinus alpinus (Linnaeus, 1758) -- valid -- Arctic char, omble chevalier
  Salvelinus confluentus (Suckley, 1859) -- valid -- bull trout
  Salvelinus fontinalis (Mitchill, 1814) -- valid -- aurora trout, brook trout, charr, coaster brook trout, omble aurora, omble de fontaine, salter, sea trout, trucha de arroyo
  Salvelinus malma (Walbaum in Artedi, 1792) -- valid -- Dolly Varden
  Salvelinus namaycush (Walbaum in Artedi, 1792) -- valid -- lake trout, touladi
  Sarda chiliensis (Cuvier in Cuvier and Valenciennes, 1832) -- valid -- bonite du Pacifique oriental, bonito del Pacifico oriental, bonito del Pacífico oriental, eastern Pacific bonito, Pacific bonito
  Sarda orientalis (Temminck and Schlegel, 1844) -- valid -- bonito mono, bonito oriental, oriental bonito, striped bonito
  Sarda sarda (Bloch, 1793) -- valid -- Atlantic bonito, bloater, bone jack, bonite à dos rayé, bonito, bonito Atlántico, bonito del Atlántico, Boston mackerel, common bonito
  Sardinella aurita Valenciennes in Cuvier and Valenciennes, 1847 -- valid -- round sardinella, sardina de España, sardina española, Spanish sardine
  Sardinella brasiliensis (Steindachner, 1879) -- invalid -- Brazilian sardinella, orangespot sardine
  Sardinops sagax (Jenyns, 1842) -- valid -- Pacific sardine, sardina monterrey, South American pilchard
  Sarritor frenatus (Gilbert, 1896) -- valid -- sawback poacher
  Sarritor leptorhynchus (Gilbert, 1896) -- valid -- longnose poacher
  Satan eurystomus Hubbs and Bailey, 1947 -- valid -- widemouth blindcat
  Saurida brasiliensis Norman, 1935 -- valid -- chile brasileño, chile brasileño, lagarto brasileño, largescale lizardfish
  Saurida caribbaea Breder, 1927 -- valid -- chile caribeño, lagarto caribeño, smallscale lizardfish
  Saurida normani Longley, 1935 -- valid -- chile espinoso, lagarto espinoso, shortjaw lizardfish
  Scaphirhynchus albus (Forbes and Richardson, 1905) -- valid -- pallid sturgeon
  Scaphirhynchus platorynchus (Rafinesque, 1820) -- valid -- shovelnose sturgeon
  Scardinius erythrophthalmus (Linnaeus, 1758) -- valid -- pearl roach, rudd
  Scartella cristata (Linnaeus, 1758) -- valid -- blenio peineta, borracho peineta, molly miller
  Scarus coelestinus Valenciennes in Cuvier and Valenciennes, 1840 -- valid -- loro de medianoche, midnight parrotfish
  Scarus coeruleus (Bloch, 1786) -- valid -- blue parrotfish, loro azul
  Scarus croicensis Bloch, 1790 -- invalid -- striped parrotfish
  Scarus guacamaia Cuvier, 1829 -- valid -- loro guacamayo, rainbow parrotfish
  Scarus taeniopterus Desmarest in Bory de Saint-Vincent, 1831 -- valid -- loro princesa, princess parrotfish
  Scarus vetula Bloch and Schneider, 1801 -- valid -- loro reina, queen parrotfish
  Schultzea beta (Hildebrand in Longley and Hildebrand, 1940) -- valid -- school bass, serrano escolar, serrano sin dientes
  Sciaenops ocellatus (Linnaeus, 1766) -- valid -- corvineta ocelada, red drum
  Scomber japonicus Houttuyn, 1782 -- valid -- chub mackerel, common mackerel, estornino, macarela estornino, maquereau blanc, maquereau Espagnol, Pacific chub mackerel, Pacific mackerel
  Scomber scombrus Linnaeus, 1758 -- valid -- Atlantic mackerel, caballa del Atlántico, maquereau bleu, maquereau commun
  Scomberesox saurus (Walbaum, 1792) -- valid -- Atlantic saury, balaou, sauro atlántico, skipper garfish
  Scomberomorus cavalla (Cuvier, 1829) -- valid -- carite lucio, carito, king mackerel, sierra, thazard serra
  Scomberomorus concolor (Lockington, 1879) -- valid -- carite de Monterey, Gulf sierra, Monterey Spanish mackerel, sierra golfina, thazard de Monterey
  Scomberomorus maculatus (Mitchill, 1815) -- valid -- Atlantic Spanish mackerel, carite Atlántico, serrucho, sierra común, Spanish mackerel, thazard Atlantique
  Scomberomorus regalis (Bloch, 1793) -- valid -- carite chinigua, cero, painted mackerel, pintada, sierra, thazard franc
  Scomberomorus sierra Jordan and Starks in Jordan, 1895 -- valid -- carite sierra, Mexican sierra, Pacific sierra, sierra del Pacífico, thazard sierra
  Scophthalmus aquosus (Mitchill, 1815) -- valid -- brill, sand dab, spotted flounder, turbot de sable, Windowpane, windowpane
  Scorpaena agassizi Goode and Bean, 1896 -- invalid -- longfin scorpionfish
  Scorpaena albifimbria Evermann and Marsh, 1900 -- valid -- coral scorpionfish, escorpión coralino, lesser scorpionfish, rascacio coralino
  Scorpaena bergi Evermann and Marsh, 1900 -- invalid -- goosehead scorpionfish
  Scorpaena brachyptera Eschmeyer, 1965 -- valid -- shortfin scorpionfish
  Scorpaena brasiliensis Cuvier in Cuvier and Valenciennes, 1829 -- valid -- barbfish, escorpión pardo, goosehead scorpionfish, rascacio ganso
  Scorpaena calcarata Goode and Bean, 1882 -- valid -- escorpión pelón, rascacio pelón, smoothhead scorpionfish
  Scorpaena dispar Longley and Hildebrand, 1940 -- valid -- escorpión jorobado, hunchback scorpionfish
  Scorpaena elachys Eschmeyer, 1965 -- valid -- dwarf scorpionfish
  Scorpaena grandicornis Cuvier in Cuvier and Valenciennes, 1829 -- valid -- escorpión plumeado, plumed scorpionfish, poison grouper, rascacio cornudo
  Scorpaena guttata Girard, 1854 -- valid -- California scorpionfish, escorpión californiano, finscaled scoprionfish
  Scorpaena inermis Cuvier in Cuvier and Valenciennes, 1829 -- valid -- escorpión hongo, mushroom scorpionfish, rascacio bongo
  Scorpaena isthmensis Meek and Hildebrand, 1928 -- valid -- escorpión mejilla lisa, smoothcheek scorpionfish
  Scorpaena plumieri Bloch, 1789 -- valid -- escorpión negro, rascacio multicolor, spotted scorpionfish
  Scorpaenichthys marmoratus Girard, 1854 -- invalid -- cabezon, giant marbled sculpin
  Scorpaenidae -- valid -- escorpiones y rocotes, firefishes, goblinfishes, rascasses, rockfishes, scorpènes, scorpénidés, scorpionfishes
  Scorpaenodes caribbaeus Meek and Hildebrand, 1928 -- valid -- escorpión de arrecife, reef scorpionfish
  Scorpaenodes tredecimspinosus (Metzelaar, 1919) -- valid -- deepreef scorpionfish, escorpión espinoso, rascacio espinoso
  Scorpaenodes xyris (Jordan and Gilbert, 1882) -- valid -- escorpión arcoiris, rainbow scorpionfish
  Scyliorhinus retifer (Garman, 1881) -- valid -- alitán mallero, chain catshark, chain dogfish
  Scytalina cerdale Jordan and Gilbert, 1880 -- valid -- graveldiver
  Sebastes aleutianus (Jordan and Evermann, 1898) -- valid -- rougheye rockfish
  Sebastes alutus (Gilbert, 1890) -- valid -- Pacific ocean perch
  Sebastes atrovirens (Jordan and Gilbert, 1880) -- valid -- kelp rockfish, rocote sargacero
  Sebastes auriculatus Girard, 1854 -- valid -- brown rockfish, rocote moreno
  Sebastes aurora (Gilbert, 1890) -- valid -- aurora rockfish
  Sebastes babcocki (Thompson, 1915) -- valid -- redbanded rockfish
  Sebastes borealis Barsukov, 1970 -- valid -- shortraker rockfish
  Sebastes brevispinis (Bean, 1884) -- valid -- silvergray rockfish
  Sebastes carnatus (Jordan and Gilbert, 1880) -- valid -- gopher rockfish, rocote amarillo
  Sebastes caurinus Richardson, 1844 -- valid -- copper rockfish, rocote cobrizo
  Sebastes chlorostictus (Jordan and Gilbert, 1880) -- valid -- greenspotted rockfish, rocote verde
  Sebastes chrysomelas (Jordan and Gilbert, 1881) -- valid -- black-and-yellow rockfish, rocote mulato
  Sebastes ciliatus (Tilesius, 1813) -- valid -- dusky rockfish
  Sebastes constellatus (Jordan and Gilbert, 1880) -- valid -- rocote estrellado, starry rockfish
  Sebastes crameri (Jordan in Gilbert, 1897) -- valid -- darkblotched rockfish
  Sebastes dalli (Eigenmann and Beeson, 1894) -- invalid -- calico rockfish
  Sebastes diploproa (Gilbert, 1890) -- valid -- rocote doble hocico, splitnose rockfish
  Sebastes elongatus Ayres, 1859 -- valid -- greenstriped rockfish, rocote reina
  Sebastes emphaeus (Starks, 1911) -- valid -- Puget Sound rockfish
  Sebastes ensifer Chen, 1971 -- valid -- rocote espada, swordspine rockfish
  Sebastes entomelas (Jordan and Gilbert, 1880) -- valid -- rocote viuda, widow rockfish
  Sebastes eos (Eigenmann and Eigenmann, 1890) -- valid -- pink rockfish, rocote Santa María
  Sebastes fasciatus Storer, 1854 -- valid -- Acadian redfish, Acadian rockfish, Labrador redfish, sébaste acadien
  Sebastes flavidus (Ayres, 1862) -- valid -- yellowtail rockfish
  Sebastes gilli (Eigenmann, 1891) -- valid -- bronzespotted rockfish, rocote bronceado
  Sebastes goodei (Eigenmann and Eigenmann, 1890) -- valid -- chilipepper, rocote pimienta
  Sebastes helvomaculatus Ayres, 1859 -- valid -- rosethorn rockfish
  Sebastes hopkinsi (Cramer, 1895) -- valid -- rocote a cuadros, squarespot rockfish
  Sebastes jordani (Gilbert, 1896) -- valid -- rocote pancita, shortbelly rockfish
  Sebastes lentiginosus Chen, 1971 -- valid -- freckled rockfish, rocote pecoso
  Sebastes levis (Eigenmann and Eigenmann, 1889) -- valid -- cowcod, rocote vaquilla
  Sebastes macdonaldi (Eigenmann and Beeson, 1893) -- valid -- Mexican rockfish, rocote mexicano
  Sebastes maliger (Jordan and Gilbert, 1880) -- valid -- quillback rockfish
  Sebastes marinus (Linnaeus, 1758) -- invalid
  Sebastes melanops Girard, 1856 -- valid -- black rockfish
  Sebastes melanosema Lea and Fitch, 1979 -- valid -- rocote semáforo, semaphore rockfish
  Sebastes melanostomus (Eigenmann and Eigenmann, 1890) -- valid -- blackgill rockfish, rocote agalla negra
  Sebastes mentella Travin, 1951 -- valid -- deepwater redfish, deepwater rockfish, sébaste atlantique
  Sebastes miniatus (Jordan and Gilbert, 1880) -- valid -- rocote bermejo, vermilion rockfish
  Sebastes mystinus (Jordan and Gilbert, 1881) -- valid -- blue rockfish, rocote azul
  Sebastes nebulosus Ayres, 1854 -- valid -- China rockfish
  Sebastes nigrocinctus Ayres, 1859 -- valid -- tiger rockfish
  Sebastes ovalis (Ayres, 1862) -- valid -- rocote manchado, speckled rockfish
  Sebastes paucispinis Ayres, 1854 -- valid -- bocaccio, rocote bocaccio
  Sebastes phillipsi (Fitch, 1964) -- valid -- chameleon rockfish
  Sebastes pinniger (Gill, 1864) -- valid -- canary rockfish, rocote canario
  Sebastes polyspinis (Taranetz and Moiseev in Taranetz, 1933) -- valid -- northern rockfish
  Sebastes proriger (Jordan and Gilbert, 1880) -- valid -- redstripe rockfish
  Sebastes rastrelliger (Jordan and Gilbert, 1880) -- valid -- grass rockfish, rocote olivo
  Sebastes reedi (Westrheim and Tsuyuki, 1967) -- valid -- yellowmouth rockfish
  Sebastes rosaceus Girard, 1854 -- valid -- rocote rosado, rosy rockfish
  Sebastes rosenblatti Chen, 1971 -- valid -- greenblotched rockfish, rocote motas verdes
  Sebastes ruberrimus (Cramer, 1895) -- valid -- rasphead rockfish, rocote ojo amarillo, yelloweye rockfish
  Sebastes rubrivinctus (Jordan and Gilbert, 1880) -- valid -- flag rockfish, rocote bandera
  Sebastes rufinanus Lea and Fitch, 1972 -- valid -- dwarf-red rockfish
  Sebastes rufus (Eigenmann and Eigenmann, 1890) -- valid -- bank rockfish, rocote rojo
  Sebastes saxicola (Gilbert, 1890) -- valid -- rocote cola listada, stripetail rockfish
  Sebastes semicinctus (Gilbert, 1897) -- valid -- halfbanded rockfish, rocote inspector
  Sebastes serranoides (Eigenmann and Eigenmann, 1890) -- valid -- olive rockfish, rocote falsa cabrilla
  Sebastes serriceps (Jordan and Gilbert, 1880) -- valid -- rocote presidiario, treefish
  Sebastes simulator Chen, 1971 -- valid -- pinkrose rockfish, rocote rosa
  Sebastes umbrosus (Jordan and Gilbert, 1882) -- valid -- honeycomb rockfish, rocote panal
  Sebastes variegatus Quast, 1971 -- valid -- harlequin rockfish
  Sebastes wilsoni (Gilbert, 1915) -- valid -- pygmy rockfish
  Sebastes zacentrus (Gilbert, 1890) -- valid -- sharpchin rockfish
  Sebastolobus alascanus Bean, 1890 -- valid -- chancharro alacrán, shortspine thornyhead
  Sebastolobus altivelis Gilbert, 1896 -- valid -- chancharro espinoso, longspine thornyhead
  Sectator ocyurus (Jordan and Gilbert, 1882) -- valid -- bluestriped chub, chopa salema
  Selar crumenophthalmus (Bloch, 1793) -- valid -- bigeye scad, charrito ojón, chicharro
  Selene peruviana (Guichenot, 1866) -- valid -- jorobado papelillo, Pacific moonfish
  Selene setapinnis (Mitchill, 1815) -- valid -- Atlantic moonfish, cara de caballo, jorobado caballa
  Selene vomer (Linnaeus, 1758) -- valid -- jorobado, jorobado penacho, lookdown
  Semicossyphus pulcher (Ayres, 1854) -- valid -- California sheephead, vieja californiana
  Semotilus atromaculatus (Mitchill, 1818) -- valid -- creek chub, mulet à cornes
  Semotilus corporalis (Mitchill, 1817) -- valid -- fallfish, ouitouche
  Semotilus lumbee Snelson and Suttkus, 1978 -- valid -- sandhills chub
  Semotilus margarita (Cope, 1867) -- invalid -- pearl dace
  Seriola dumerili (Risso, 1810) -- valid -- coronado de ley, greater amberjack, medregal coronado
  Seriola fasciata (Bloch, 1793) -- valid -- lesser amberjack, medregal, medregal listado
  Seriola lalandi Valenciennes in Cuvier and Valenciennes, 1833 -- valid -- great amberjack, medregal rabo amarillo, yellowtail, yellowtail jack
  Seriola rivoliana Valenciennes in Cuvier and Valenciennes, 1833 -- valid -- almaco jack, coronado, medregal limón, Pacific amberjack
  Seriola zonata (Mitchill, 1815) -- valid -- banded rubberfish, banded rudderfish, coronado de bandas, medregal rayado, sériole à ceintures
  Seriphus politus Ayres, 1860 -- valid -- corvineta reina, queenfish
  Serraniculus pumilio Ginsburg, 1952 -- valid -- pygmy sea bass, serrano pigmeo
  Serranus annularis (Günther, 1880) -- valid -- orangeback bass, serrano de dorso naranja, serrano naranja
  Serranus atrobranchus (Cuvier in Cuvier and Valenciennes, 1829) -- valid -- blackear bass, serrano oreja negra
  Serranus baldwini (Evermann and Marsh, 1899) -- valid -- lantern bass, serrano linterna
  Serranus chionaraia Robins and Starck, 1961 -- valid -- serrano nevado, snow bass
  Serranus notospilus Longley, 1935 -- valid -- saddle bass, serrano ensillado
  Serranus phoebe Poey, 1851 -- valid -- diana, serrano diana, tattler
  Serranus subligarius (Cope, 1870) -- valid -- belted sandfish, serrano aporreado, serrano leopardo
  Serranus tabacarius (Cuvier in Cuvier and Valenciennes, 1829) -- valid -- jácome, serrano jácome, tobaccofish
  Serranus tigrinus (Bloch, 1790) -- valid -- harlequin bass, serrano arlequín
  Serranus tortugarum Longley, 1935 -- valid -- chalk bass, serrano pálido, serrano tortuga
  Sigmistes caulias Rutter in Jordan and Evermann, 1898 -- valid -- kelp sculpin
  Sigmistes smithi Schultz, 1938 -- valid -- arched sculpin
  Snyderichthys copei (Jordan and Gilbert, 1881) -- invalid -- leatherside chub
  Somniosus microcephalus (Bloch and Schneider, 1801) -- valid -- gray shark, Greenland shark, ground shark, gurry shark, laimargue, sleeper shark
  Somniosus pacificus Bigelow and Schroeder, 1944 -- valid -- Pacific sleeper shark, tiburón dormilón del Pacífico
  Sparisoma atomarium (Poey, 1861) -- valid -- greenblotch parrotfish, loro de lunar verde, loro mancha verde
  Sparisoma aurofrenatum (Valenciennes in Cuvier and Valenciennes, 1840) -- valid -- loro manchado, redband parrotfish, vieja lora
  Sparisoma chrysopterum (Bloch and Schneider, 1801) -- valid -- loro colirrojo, loro verde, redtail parrotfish
  Sparisoma radians (Valenciennes in Cuvier and Valenciennes, 1840) -- valid -- bucktooth parrotfish, loro dientuso
  Sparisoma rubripinne (Valenciennes in Cuvier and Valenciennes, 1840) -- valid -- loro aletirojo, loro coliamarilla, redfin parrotfish, yellowtail parrotfish
  Sparisoma viride (Bonnaterre, 1788) -- valid -- loro, loro brilloso, stoplight parrotfish
  Speoplatyrhinus poulsoni Cooper and Kuehne, 1974 -- valid -- Alabama cavefish
  Sphoeroides annulatus (Jenyns, 1842) -- valid -- botete diana, Bullseye Puffer, bullseye puffer
  Sphoeroides dorsalis Longley, 1934 -- valid -- botete jaspeado, Marbled Puffer, marbled puffer
  Sphoeroides lobatus (Steindachner, 1870) -- valid -- botete, botete verrugoso, Longnose Puffer, longnose puffer
  Sphoeroides maculatus (Bloch & Schneider, 1801) -- valid -- northern puffer, Northern Puffer, sphéroïde du nord
  Sphoeroides nephelus (Goode & Bean, 1882) -- valid -- botete fruta, Southern Puffer, southern puffer, tamboril sureño
  Sphoeroides pachygaster (Müller & Troschel in Schomburgk, 1848) -- valid -- blunthead puffer, Blunthead Puffer, botete chato, sphéroïde trogne
  Sphoeroides parvus Shipp & Yerger, 1969 -- valid -- botete xpú, Least Puffer, least puffer
  Sphoeroides spengleri (Bloch, 1785) -- valid -- bandtail puffer, Bandtail Puffer, botete collarete, tamboril manchado
  Sphoeroides testudineus (Linnaeus, 1758) -- valid -- botete sapo, Checkered Puffer, checkered puffer, tamboríl rayado
  Sphyraena argentea Girard, 1854 -- valid -- barracuda plateada, Pacific barracuda
  Sphyraena borealis DeKay, 1842 -- valid -- northern sennet, picudilla
  Sphyraena guachancho Cuvier in Cuvier and Valenciennes, 1829 -- valid -- guaguanche, guaguancho, tolete
  Sphyraena picudilla Poey, 1860 -- invalid -- picudilla, southern sennet
  Sphyrna lewini (Griffith and Smith, 1834) -- valid -- cornuda, cornuda común, scalloped hammerhead
  Sphyrna mokarran (Rüppell, 1837) -- valid -- cornuda de ley, cornuda gigante, great hammerhead
  Sphyrna tiburo (Linnaeus, 1758) -- valid -- bonnethead, cornuda cabeza de pala, cornuda de corona, shovelhead
  Sphyrna zygaena (Linnaeus, 1758) -- valid -- cabeza de martillo, cornuda prieta, smooth hammerhead
  Spirinchus starksi (Fisk, 1913) -- valid -- night smelt
  Spirinchus thaleichthys (Ayres, 1860) -- valid -- longfin smelt
  Squalidae Blainville, 1816 -- valid -- cazones aguijones, chiens de mer, dogfish sharks, spiny dogfishes
  Squalus acanthias Linnaeus, 1758 -- valid -- aiguillat commun, cazón espinoso común, dogfish, galludo espinoso, grayfish, piked dogfish, spiny dogfish, spurdog
  Squalus cubensis Howell Rivero, 1936 -- valid -- cazón aguijón cubano, Cuban dogfish, galludo cubano
  Squatina californica Ayres, 1859 -- valid -- angelote del Pacífico, Pacific angel shark
  Squatina dumeril Lesueur, 1818 -- valid -- angelote del Atlántico, Atlantic angel shark, Atlantic angelshark, sand devil
  Starksia ocellata (Steindachner, 1876) -- valid -- checkered blenny, sapito tablero
  Starksia starcki Gilbert, 1971 -- valid -- key blenny
  Stathmonotus hemphilli Bean, 1885 -- invalid -- blackbelly blenny, sapito morenita
  Stathmonotus stahli (Evermann and Marsh, 1899) -- valid -- eelgrass blenny, sapito anguila, tubícola anguila
  Steindachneria argentea Goode and Bean, 1896 -- valid -- granadero luminoso, luminous hake, mollera luminosa
  Stellerina xyosterna (Jordan and Gilbert, 1880) -- valid -- bandido pechoespinoso, pricklebreast poacher
  Stellifer lanceolatus (Holbrook, 1855) -- valid -- corvinilla lanza, star drum
  Stenobrachius leucopsarus (Eigenmann and Eigenmann, 1890) -- valid -- linternilla norteña, northern lampfish
  Stenodus leucichthys (Güldenstädt, 1772) -- valid -- inconnu
  Stenotomus caprinus Jordan and Gilbert, 1882 -- valid -- longspine porgy, sargo espinudo
  Stenotomus chrysops (Linnaeus, 1766) -- valid -- porgy, scup
  Stereolepis gigas Ayres, 1859 -- valid -- giant sea bass, pescara
  Stichaeidae Gill, 1864 -- valid -- peces abrojo, pricklebacks, shannies, stichées
  Stichaeus punctatus (Fabricius, 1780) -- valid -- Arctic shanny, stichée arctique
  Stizostedion canadense (Griffith and Smith, 1834) -- invalid -- doré noir
  Stizostedion vitreum glaucum Hubbs, 1926 -- invalid -- blue pike
  Stizostedion vitreum vitreum (Mitchill, 1818) -- invalid -- walleye, walleye
  Strongylura exilis (Girard, 1854) -- valid -- agujón californiano, California needlefish, sierrita
  Strongylura marina (Walbaum, 1792) -- valid -- agujón verde, Atlantic needlefish, silver gar
  Strongylura notata (Poey, 1860) -- valid -- agujón de aletas rojas, agujón negro, redfin needlefish
  Strongylura timucu (Walbaum, 1792) -- valid -- agujón timucú, longjaw, timucu, timucú
  Stygnobrotula latebricola Böhlke, 1957 -- valid -- black brotula, brótula oscura
  Stylephorus chordatus Shaw, 1791 -- valid -- sticklebacks, tube-eye, tubeye
  Syacium gunteri Ginsburg, 1933 -- valid -- lenguado arenoso, Shoal Flounder, shoal flounder
  Syacium micrurum Ranzani, 1842 -- valid -- channel flounder, Channel Flounder, fausse limande pâté, lenguado anillado
  Syacium papillosum (Linnaeus, 1758) -- valid -- dusky flounder, Dusky Flounder, lenguado moreno
  Symphurus arawak Robins & Randall, 1965 -- valid -- Caribbean tonguefish, Caribbean Tonguefish, lengua caribeña
  Symphurus atricauda (Jordan & Gilbert, 1880) -- invalid -- California tonguefish
  Symphurus atricaudus (Jordan & Gilbert, 1880) -- valid -- California tonguefish, California Tonguefish, lengua californiana, sole californien
  Symphurus civitatus Ginsburg, 1951 -- invalid -- offshore tonguefish
  Symphurus diomedeanus (Goode & Bean, 1885) -- valid -- lengua de vaca, lengua filonegro, sole tachetée, Spottedfin Tonguefish, spottedfin tonguefish
  Symphurus diomedianus (Goode & Bean, 1885) -- invalid
  Symphurus minor Ginsburg, 1951 -- valid -- largescale tonguefish, Largescale Tonguefish
  Symphurus nebulosus (Goode & Bean, 1883) -- valid -- freckled tonguefish
  Symphurus parvus Ginsburg, 1951 -- valid -- lengua pigmea, Pygmy Tonguefish, pygmy tonguefish
  Symphurus pelicanus Ginsburg, 1951 -- valid -- lengua colilarga, Longtail Tonguefish, longtail tonguefish
  Symphurus piger (Goode & Bean, 1886) -- valid -- deepwater tonguefish, Deepwater Tonguefish, lengua de vaca perezosa, lengua perezosa
  Symphurus plagiusa (Linnaeus, 1766) -- valid -- blackcheek tonguefish, Blackcheek Tonguefish, lengua de vaca gris, lengua gris
  Symphurus pusillus (Goode & Bean, 1885) -- valid -- northern tonguefish, Northern Tonguefish
  Symphurus urospilus Ginsburg, 1951 -- valid -- lengua colipunteada, lengua de vaca colipunteada, spottail tonguefish, Spottail Tonguefish
  Synagrops bellus (Goode and Bean, 1896) -- valid -- blackmouth bass, blackmouth cardinalfish
  Synchirus gilli Bean, 1890 -- valid -- manacled sculpin
  Syngnathus affinis Günther, 1870 -- valid -- pez pipa texano, Texas pipefish
  Syngnathus auliscus (Swain, 1882) -- valid -- barred pipefish, pez pipa anillado
  Syngnathus californiensis Storer, 1845 -- valid -- great pipefish, kelp pipefish, pez pipa californiano
  Syngnathus euchrous Fritzsche, 1980 -- valid -- chocolate pipefish, pez pipa chocolate
  Syngnathus exilis (Osburn and Nichols, 1916) -- valid -- barcheek pipefish, pez pipa cachete rayado
  Syngnathus floridae (Jordan and Gilbert, 1882) -- valid -- dusky pipefish, pez pipa prieto
  Syngnathus fuscus Storer, 1839 -- valid -- northern pipefish, syngnathe brun
  Syngnathus leptorhynchus Girard, 1854 -- valid -- bay pipefish, pez pipa de bahía, slendernosed pipefish
  Syngnathus louisianae Günther, 1870 -- valid -- chain pipefish, pez pipa cadena
  Syngnathus pelagicus Linnaeus, 1758 -- valid -- pez pipa oceánico, sargassum pipefish, trompetero oceánico
  Syngnathus scovelli (Evermann and Kendall, 1896) -- valid -- Gulf pipefish, pez pipa del Golfo
  Syngnathus springeri Herald, 1942 -- valid -- bull pipefish
  Synodus foetens (Linnaeus, 1766) -- valid -- chile apestoso, inshore lizardfish, lagarto máximo
  Synodus intermedius (Spix and Agassiz, 1829) -- valid -- chile manchado, lagarto manchado, sand diver
  Synodus lucioceps (Ayres, 1855) -- valid -- California lizardfish, chile lucio
  Synodus poeyi Jordan, 1887 -- valid -- chile barbado, lagarto barbado, offshore lizardfish
  Synodus synodus (Linnaeus, 1758) -- valid -- chile rojo, lagarto rojizo, red lizardfish
  Tactostoma macropus Bolin, 1939 -- valid -- longfin dragonfish
  Taractes asper Lowe, 1843 -- valid -- rough pomfret
  Taractichthys longipinnis (Lowe, 1843) -- valid -- bigscale pomfret, brama aletuda, tristón aletudo
  Taractichthys steindachneri (Döderlein in Steindachner and Döderlein, 1883) -- valid -- sickle pomfret, tristón segador
  Tarletonbeania crenularis (Jordan and Gilbert, 1880) -- valid -- blue lanternfish, linternilla azul
  Tautoga onitis (Linnaeus, 1758) -- valid -- tautog
  Tautogolabrus adspersus (Walbaum, 1792) -- valid -- cunner, tanche-tautogue
  Tetragonurus atlanticus Lowe, 1839 -- valid -- bigeye squaretail
  Tetragonurus cuvieri Risso, 1810 -- valid -- colicuadrado ojito, smalleye squaretail
  Tetrapturus albidus Poey, 1860 -- invalid -- aguja blanca, Atlantic white marlin, marlin blanco, skilligalee, white marlin
  Tetrapturus angustirostris Tanaka, 1915 -- valid -- Japanese spearfish, marlin trompa corta, shortbill spearfish, shortnose spearfish, slender spearfish
  Tetrapturus audax (Philippi, 1887) -- invalid -- barred marlin, marlin rayado, Pacific striped marlin, spikefish, striped marlin, striped swordfish
  Tetrapturus pfluegeri Robins and de Sylva, 1963 -- valid -- aguja del Pacífico, longbill spearfish, marlin trompa larga
  Thalassoma bifasciatum (Bloch, 1791) -- valid -- bluehead, cara de cotorra
  Thaleichthys pacificus (Richardson, 1836) -- valid -- eulachon
  Theragra chalcogramma (Pallas, 1814) -- invalid -- Alaska pollock, walleye pollock
  Thunnus alalunga (Bonnaterre, 1788) -- valid -- albacora, albacore, atún blanco, germon, longfinned albacore
  Thunnus albacares (Bonnaterre, 1788) -- valid -- albacore, atún aleta amarilla, atún de aleta amarilla, rabil, yellowfin tuna
  Thunnus atlanticus (Lesson, 1831) -- valid -- atún aleta negra, blackfin tuna, falsa albacora, thon à nageoires noires
  Thunnus obesus (Lowe, 1839) -- valid -- atún ojo grande, bigeye tuna, patudo, thon obèse
  Thunnus thynnus (Linnaeus, 1758) -- valid -- Atlantic bluefin tuna, atún, atún aleta azul, bluefin tuna, horse mackerel, northern bluefin tuna, thon rouge
  Thymallus arcticus (Pallas, 1776) -- valid -- Arctic grayling, ombre arctique
  Tiaroga cobitis Girard, 1856 -- invalid -- loach minnow
  Tilapia aurea (Steindachner, 1864) -- invalid -- blue tilapia
  Tilapia mariae Boulenger, 1899 -- valid -- spotted tilapia
  Tilapia melanotheron (Rüppell, 1852) -- invalid -- blackchin mouthbrooder, blackchin tilapia
  Tilapia zillii (Gervais, 1848) -- valid -- redbelly tilapia, Zilli's tilapia
  Tinca tinca (Linnaeus, 1758) -- valid -- tanche, tench
  Torpedo californica Ayres, 1855 -- valid -- Pacific electric ray, torpedo del Pacífico
  Torpedo nobiliana Bonaparte, 1835 -- valid -- Atlantic torpedo, torpedo de lo alto, torpedo del Atlántico
  Trachinocephalus myops (Forster in Bloch and Schneider, 1801) -- valid -- anoli serpent, bluntnose lizardfish, chile chato, lagarto ñato, snakefish
  Trachinotus carolinus (Linnaeus, 1766) -- valid -- Florida pompano, palorneta común, pámpano amarillo
  Trachinotus falcatus (Linnaeus, 1758) -- valid -- pámpano, pámpano palometa, permit
  Trachinotus goodei Jordan and Evermann, 1896 -- valid -- palometa, pámpano listado
  Trachinotus paitensis Cuvier in Cuvier and Valenciennes, 1832 -- valid -- paloma pompano, pámpano paloma
  Trachinotus rhodopus Gill, 1863 -- valid -- gafftopsail pompano, pámpano fino
  Trachipterus altivelis Kner, 1859 -- valid -- king-of-the-salmon, Pacific king-of-salmon, rey de los salmones
  Trachipterus arcticus (Brünnich, 1771) -- valid -- dealfish
  Trachipterus fukuzakii Fitch, 1964 -- valid -- listoncillo pabilo, tapertail ribbonfish
  Trachurus lathami Nichols, 1920 -- valid -- charrito garretón, rough scad
  Trachurus symmetricus (Ayres, 1855) -- valid -- charrito chícharo, jack mackerel
  Trachyscorpia cristulata (Goode and Bean, 1896) -- valid -- Atlantic thornyhead
  Triakis semifasciata Girard, 1855 -- valid -- leopard shark, tiburón leopardo
  Trichiurus lepturus Linnaeus, 1758 -- valid -- Atlantic cutlassfish, Australian hairtail, largehead hairtail, sable, sable del Atlántico
  Trichiurus nitens Garman, 1899 -- valid -- Pacific cutlassfish, sable del Pacífico
  Trichodon trichodon (Tilesius, 1813) -- valid -- Pacific sandfish
  Trichopsetta ventralis (Goode & Bean, 1885) -- valid -- lenguado de punto, Sash Flounder, sash flounder
  Tridentiger trigonocephalus (Gill, 1859) -- valid -- chameleon goby
  Triglops forficatus (Gilbert, 1896) -- valid -- scissortail sculpin
  Triglops macellus (Bean, 1884) -- valid -- roughspine sculpin
  Triglops murrayi Günther, 1888 -- valid -- faux-trigle armé, mailed sculpin, moustache sculpin
  Triglops nybelini Jensen, 1944 -- valid -- bigeye sculpin, faux-trigle à grands yeux, mailed sculpin
  Triglops pingeli Reinhardt, 1837 -- invalid -- faux-trigle bardé, ribbed sculpin
  Triglops scepticus Gilbert, 1896 -- valid -- spectacled sculpin
  Trinectes inscriptus (Gosse, 1851) -- valid -- acedía reticulada, Scrawled Sole, scrawled sole, suela garabato
  Trinectes maculatus (Bloch & Schneider, 1801) -- valid -- hogchoker, Hogchoker, suela tortilla
  Triphoturus mexicanus (Gilbert, 1890) -- valid -- linternilla mexicana, Mexican lampfish
  Trogloglanis pattersoni Eigenmann, 1919 -- valid -- toothless blindcat
  Tylosurus acus (Lacepède, 1803) -- valid -- agujon, agujón, agujón del Atlántico, Atlantic agujon, keeljawed longtom
  Tylosurus crocodilus (Péron and Lesueur in Lesueur, 1821) -- valid -- agujón lisero, houndfish
  Typhlichthys subterraneus Girard, 1859 -- valid -- southern cavefish
  Typhlogobius californiensis Steindachner, 1879 -- valid -- blind goby, gobio ciego
  Ulvaria subbifurcata (Storer, 1839) -- valid -- radiated shanny, ulvaire deux-lignes
  Ulvicola sanctaerosae Gilbert and Starks in Gilbert, 1897 -- invalid -- espinoso de marea sargacero, kelp gunnel
  Umbra limi (Kirtland, 1841) -- valid -- central mudminnow, umbre de vase
  Umbra pygmaea (DeKay, 1842) -- valid -- eastern mudminnow
  Umbrina coroides Cuvier in Cuvier and Valenciennes, 1830 -- valid -- berrugata arenera, roncador, sand drum
  Umbrina roncador Jordan and Gilbert, 1882 -- valid -- berrugata aleta amarilla, yellowfin croaker
  Upeneus parvus Poey, 1852 -- valid -- chivo rayuelo, dwarf goatfish, salmonete rayado
  Uraspis secunda (Poey, 1860) -- valid -- cottonmouth jack, jurel volantín, segundo
  Uroconger syringinus Ginsburg, 1954 -- valid -- congrio plumilla, threadtail conger
  Urolophus halleri Cooper, 1863 -- invalid -- round stingray
  Urolophus jamaicensis (Cuvier, 1816) -- invalid -- yellow stingray
  Urophycis chesteri (Goode and Bean, 1878) -- invalid -- longfin hake, merluche à longues nageoires
  Urophycis chuss (Walbaum, 1792) -- valid -- merluche-écureuil, red hake, squirrel hake
  Urophycis cirrata (Goode and Bean, 1896) -- valid -- Gulf hake, merluza barbona del Golfo
  Urophycis earlli (Bean, 1880) -- invalid -- Carolina hake
  Urophycis earllii (Bean, 1880) -- valid -- Carolina hake
  Urophycis floridana (Bean and Dresel, 1884) -- valid -- merluza barbona floridana, southern codling, southern hake
  Urophycis regia (Walbaum, 1792) -- valid -- merluza barbona reina, spotted codling, spotted hake
  Urophycis tenuis (Mitchill, 1814) -- valid -- merluche blanche, mud hake, white hake
  Uropterygius diopus Böhlke, 1967 -- invalid -- marbled moray
  Varicus marilynae Gilmore, 1979 -- valid -- orangebelly goby, orangebelly goby
  Xanthichthys mento (Jordan & Gilbert, 1882) -- valid -- cochito cuadriculado, Redtail Triggerfish, redtail triggerfish
  Xanthichthys ringens (Linnaeus, 1758) -- valid -- cocuyo, sargassum triggerfish, Sargassum Triggerfish
  Xeneretmus latifrons (Gilbert, 1890) -- valid -- bandido penacho, blacktip poacher
  Xeneretmus leiops Gilbert, 1915 -- valid -- cutfin poacher, smootheye poacher
  Xeneretmus ritteri Gilbert, 1915 -- valid -- bandido bandera, stripefin poacher
  Xeneretmus triacanthus (Gilbert, 1890) -- valid -- bandido manchas azules, bluespotted poacher
  Xenistius californiensis (Steindachner, 1876) -- valid -- salema, salema
  Xenolepidichthys dalgleishi Gilchrist, 1922 -- valid -- spotted tinselfish
  Xiphias gladius Linnaeus, 1758 -- valid -- broadbill, emperador, espadon, pez espada, swordfish
  Xiphister atropurpureus (Kittlitz, 1858) -- valid -- abrojo negro, black prickleback
  Xiphister mucosus (Girard, 1858) -- valid -- rock prickleback
  Xiphophorus helleri Heckel, 1848 -- invalid -- green swordtail
  Xiphophorus maculatus (Günther, 1866) -- valid -- espada sureña, platy, southern platyfish
  Xiphophorus variatus (Meek, 1904) -- valid -- espada de Valles, variable platyfish, variegated platy
  Xyrauchen texanus (Abbott, 1860) -- valid -- matalote jorobado, razorback sucker
  Xystreurys liolepis Jordan & Gilbert, 1880 -- valid -- fantail sole, Fantail Sole, lenguado cola de abanico
  Zalembius rosaceus (Jordan and Gilbert, 1880) -- valid -- mojarra rosada, pink seaperch
  Zalieutes elater (Jordan and Gilbert, 1882) -- valid -- murciélago biocelado, roundel batfish, spotted batfish
  Zalieutes mcgintyi (Fowler, 1952) -- valid -- murciélago tres cuernos, tricorn batfish
  Zaniolepis frenata Eigenmann and Eigenmann, 1889 -- valid -- cepillo espina corta, shortspine combfish
  Zaniolepis latipinnis Girard, 1858 -- valid -- cepillo espina larga, longspine combfish
  Zaprora silenus Jordan, 1896 -- valid -- prowfish
  Zapteryx exasperata (Jordan and Gilbert, 1880) -- valid -- banded guitarfish, guitarra rayada
  Zenopsis conchifera (Lowe, 1852) -- valid -- American john dory, buckler dory, San Pedro plateado
  Zenopsis nebulosa (Temminck and Schlegel, 1845) -- valid -- mirror dory
  Zu cristatus (Bonelli, 1819) -- valid -- cinta moñuda, listoncillo festón, scalloped ribbonfish
   

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