Acanthistius brasilianus (Cuvier, 1828) (additional source)
Acanthodraco Skóra, 1995 (basis of record)
Acanthodraco dewitti Skóra, 1995 (basis of record)
Acanthogobius flavimanus (Temminck & Schlegel, 1845) (additional source)
Acentrogobius Bleeker, 1874 (additional source)
Acentrogobius pflaumii (Bleeker, 1853) (additional source)
Acentronura Kaup, 1853 (basis of record)
Acentronura australe Waite & Hale, 1921 accepted as Idiotropiscis australis (Waite & Hale, 1921) (additional source)
Acentronura larsonae Dawson, 1984 accepted as Idiotropiscis larsonae (Dawson, 1984) (additional source)
Acentronura tentaculata Günther, 1870 (basis of record)
Achiropsetta Norman, 1930 (basis of record)
Achiropsetta slavae Andriashev, 1960 accepted as Mancopsetta maculata (Günther, 1880) (basis of record)
Achiropsetta tricholepis Norman, 1930 (basis of record)
Aequidens pulchrus (Gill, 1858) accepted as Andinoacara pulcher (Gill, 1858) (basis of record)
Aequidens rivulatus (Günther, 1860) accepted as Andinoacara rivulatus (Günther, 1860) (basis of record)
Aethotaxis DeWitt, 1962 (basis of record)
Aethotaxis mitopteryx DeWitt, 1962 (basis of record)
Aethotaxis mitopteryx mitopteryx DeWitt, 1962 accepted as Aethotaxis mitopteryx DeWitt, 1962 (basis of record)
Aethotaxis mitopteryx pawsoni Miller, 1993 accepted as Aethotaxis mitopteryx DeWitt, 1962 (basis of record)
Akarotaxis DeWitt & Hureau, 1980 (basis of record)
Akarotaxis nudiceps (Waite, 1916) (basis of record)
Alepisaurus brevirostris Gibbs, 1960 (additional source)
Alepocephalus antipodianus (Parrott, 1948) (basis of record)
Allocyttus McCulloch, 1914 (additional source)
Allocyttus niger James, Inada & Nakamura, 1988 (basis of record)
Allocyttus verrucosus (Gilchrist, 1906) (additional source)
Amatitlania Schmitter-Soto, 2007 (basis of record)
Amatitlania nigrofasciata (Günther, 1867) (basis of record)
Ambassis agassizii Steindachner, 1867 (basis of record)
Ambassis agrammus Günther, 1867 (additional source)
Ambassis interrupta Bleeker, 1853 (additional source)
Ambassis interruptus Bleeker, 1853 accepted as Ambassis interrupta Bleeker, 1853 (basis of record)
Ambassis macleayi (Castelnau, 1878) (basis of record)
Ambassis miops Günther, 1872 (additional source)
Ambassis muelleri Klunzinger, 1880 accepted as Ambassis agassizii Steindachner, 1867 (basis of record)
Amblyraja georgiana (Norman, 1938) (basis of record)
Amblyraja taaf (Meisner, 1987) (basis of record)
Ambophthalmos Jackson & Nelson, 1998 (basis of record)
Ambophthalmos magnicirrus (Nelson, 1977) (basis of record)
Amniataba percoides (Günther, 1864) (basis of record)
Amphilophus citrinellus (Günther, 1864) (basis of record)
Andinoacara Musilová, Říĉan & Novák, 2009 (basis of record)
Andinoacara pulcher (Gill, 1858) (basis of record)
Andinoacara rivulatus (Günther, 1860) (basis of record)
Anguilla obscura Günther, 1872 (additional source)
Anguilla reinhardtii Steindachner, 1867 (additional source)
Anodontiglanis dahli Rendahl, 1922 (basis of record)
Anotopterus pharao Zugmayer, 1911 (additional source)
Anotopterus vorax (Regan, 1913) (basis of record)
Antimora rostrata (Günther, 1878) (additional source)
Apogon Lacepède, 1801 (additional source)
Apogoninae Günther, 1859 (basis of record)
Arapaimidae Bonaparte, 1846 (basis of record)
Arctozenus risso (Bonaparte, 1840) (additional source)
Argyropelecus Cocco, 1829 (additional source)
Argyropelecus gigas Norman, 1930 (additional source)
Argyropelecus hemigymnus Cocco, 1829 (additional source)
Arhynchobatidae Fowler, 1934 (basis of record)
Ariinae Bleeker, 1858 (basis of record)
Arius Valenciennes, 1840 (additional source)
Arius berneyi (Whitley, 1941) accepted as Neoarius berneyi (Whitley, 1941) (basis of record)
Arius graeffei Kner & Steindachner, 1867 accepted as Neoarius graeffei (Kner & Steindachner, 1867) (basis of record)
Arius leptaspis (Bleeker, 1862) accepted as Neoarius leptaspis (Bleeker, 1862) (basis of record)
Arius midgleyi Kailola & Pierce, 1988 accepted as Neoarius midgleyi (Kailola & Pierce, 1988) (basis of record)
Arrhamphus Günther, 1866 (additional source)
Arrhamphus sclerolepis Günther, 1866 (additional source)
Arrhamphus sclerolepis sclerolepis Günther, 1866 accepted as Arrhamphus sclerolepis Günther, 1866 (additional source)
Artedidraco Lönnberg, 1905 (basis of record)
Artedidraco loennbergi Roule, 1913 accepted as Artedidraco lonnbergi Roule, 1913 (basis of record)
Artedidraco lonnbergi Roule, 1913 (basis of record)
Artedidraco mirus Lönnberg, 1905 (basis of record)
Artedidraco orianae Regan, 1914 (basis of record)
Artedidraco shackletoni Waite, 1911 (basis of record)
Artedidraco skottsbergi Lönnberg, 1905 (basis of record)
Astatotilapia burtoni (Günther, 1894) (basis of record)
Astronesthes Richardson, 1845 (additional source)
Astronesthes boulengeri Gilchrist, 1902 (basis of record)
Astronesthes psychrolutes (Gibbs & Weitzman, 1965) (basis of record)
Astronotus ocellatus (Agassiz, 1831) (basis of record)
Avocettina infans (Günther, 1878) (additional source)
Awaous Valenciennes, 1837 (basis of record)
Awaous crassilabrus (Günther, 1861) accepted as Awaous guamensis (Valenciennes, 1837) (basis of record)
Awaous guamensis (Valenciennes, 1837) (additional source)
Barbinae Bleeker, 1859 (basis of record)
Bathydraco Günther, 1878 (basis of record)
Bathydraco antarcticus Günther, 1878 (basis of record)
Bathydraco joannae DeWitt, 1985 (basis of record)
Bathydraco macrolepis Boulenger, 1907 (basis of record)
Bathydraco marri Norman, 1938 (basis of record)
Bathydraco scotiae Dollo, 1906 (basis of record)
Bathydraconinae Regan, 1913 (basis of record)
Bathylagoides argyrogaster (Norman, 1930) (additional source)
Bathylagus antarcticus Günther, 1878 (basis of record)
Bathylagus argyrogaster Norman, 1930 accepted as Bathylagoides argyrogaster (Norman, 1930) (basis of record)
Bathylagus benedicti Goode & Bean, 1896 accepted as Bathylagus euryops Goode & Bean, 1896 (basis of record)
Bathylagus bericoides (Borodin, 1929) accepted as Melanolagus bericoides (Borodin, 1929) (additional source)
Bathylagus euryops Goode & Bean, 1896 (additional source)
Bathylagus glacialis Regan, 1913 accepted as Bathylagus antarcticus Günther, 1878 (basis of record)
Bathylagus gracilis Lönnberg, 1905 (basis of record)
Bathylagus microcephalus Norman, 1930 accepted as Melanolagus bericoides (Borodin, 1929) (basis of record)

Albanian ngjale deti e baleareve for Ariosoma balearicum (Delaroche, 1809)
Albanian peshk derr [from synonym] for Balistes carolinensis Gmelin, 1789
Bengali Loitta for Harpadon nehereus (Hamilton, 1822)
Croatian babica kokošica for Aidablennius sphynx (Valenciennes, 1836)
Croatian cnerj for Chromis chromis (Linnaeus, 1758)
Croatian indijanac for Chromis chromis (Linnaeus, 1758)
Croatian jera for Anthias anthias (Linnaeus, 1758)
Croatian kaliger for Chromis chromis (Linnaeus, 1758)
Croatian kirnjica for Anthias anthias (Linnaeus, 1758)
Croatian matulicic [from synonym] for Apogon (Apogon) imberbis (Linnaeus, 1758)
Croatian mlijec ružicni for Aphia minuta (Risso, 1810)
Croatian razok for Bothus podas (Delaroche, 1809)
Croatian ugoric zlatar for Ariosoma balearicum (Delaroche, 1809)
Czech úhoř mořský for Conger conger (Linnaeus, 1758)
Czech úhořovec malý for Ariosoma balearicum (Delaroche, 1809)
Danish Balearisk havål for Ariosoma balearicum (Delaroche, 1809)
Danish bredøjet hvarre for Bothus podas (Delaroche, 1809)
Danish haneslimfisk for Aidablennius sphynx (Valenciennes, 1836)
Danish middelhavskardinalfisk [from synonym] for Apogon (Apogon) imberbis (Linnaeus, 1758)
Danish ringhavrude for Diplodus annularis (Linnaeus, 1758)
Danish spidssnudet havrude for Diplodus puntazzo (Walbaum, 1792)
Dutch breedsnuitrog for Bathyraja brachyurops (Fowler, 1910)
Dutch kever for Trisopterus esmarkii (Nilsson, 1855)
English abas for Gymnarchidae Bleeker, 1859
English Aden splitfin [from synonym] for Synagrops adeni Kotthaus, 1970
English aestivating lungfishes for Lepidosirenidae Bonaparte, 1841
English African angelshark for Squatina africana Regan, 1908
English African basslet for Liopropoma africanum (Smith, 1954)
English African butterflyfish for Chaetodon dolosus Ahl, 1923
English African chimaera for Hydrolagus africanus (Gilchrist, 1922)
English African coris [from synonym] for Coris gaimard africana Smith, 1957
English African deepwater flathead for Parabembras robinsoni Regan, 1921
English African demoiselle for Neopomacentrus fuliginosus (Smith, 1960)
English African eel blenny for Haliophis guttatus (Forsskål, 1775)
English African forktail snapper for Apsilus fuscus Valenciennes, 1830
English African longfin eel for Anguilla mossambica (Peters, 1852)
English African lungfishes for Protopteridae Peters, 1855
English African pikes for Hepsetidae Hubbs, 1939
English African pompano for Alectis ciliaris (Bloch, 1787)
English African ribbontail catshark for Eridacnis sinuans (Smith, 1957)
English African righteye flounder for Poecilopsetta natalensis Norman, 1931
English African rivulines for Nothobranchiidae Garman, 1895
English African sailfin flyingfish [from synonym] for Parexocoetus mento mento (Valenciennes, 1847)
English African scad for Trachurus delagoa Nekrasov, 1970
English African sea catfish for Arius africanus Günther, 1867
English African spadefish for Tripterodon orbis Playfair, 1867
English African spotted catshark for Holohalaelurus punctatus (Gilchrist, 1914)
English African tetras for Alestidae Cockerell, 1910
English airbreathing catfishes for Clariidae Bonaparte, 1845
English airsac catfishes for Heteropneustidae Hora, 1936
English albacore for Thunnus alalunga (Bonnaterre, 1788)
English alfonsino for Beryx decadactylus Cuvier, 1829
English algae eaters for Gyrinocheilidae Gill, 1905
English Allard's anemonefish for Amphiprion allardi Klausewitz, 1970
English alligator pipefish for Syngnathoides biaculeatus (Bloch, 1785)
English Almaco jack for Seriola rivoliana Valenciennes, 1833
English aloha grenadier for Nezumia propinqua (Gilbert & Cramer, 1897)
English American soles for Achiridae Rafinesque, 1815
English angler catfish for Chacidae Bleeker, 1858
English Antarctic dragonfishes for Bathydraconidae Regan, 1913
English Antarctic sculpins for Bathylutichthyidae Balushkin & Voskoboynikova, 1990
English antenna codlet for Bregmaceros atlanticus Goode & Bean, 1886
English Arab blenny for Omobranchus fasciolatus (Valenciennes, 1836)
English Arabian angelfish for Pomacanthus asfur (Forsskål, 1775)
English Arabian butterflyfish for Chaetodon melapterus Guichenot, 1863
English Arabian gizzard shad for Nematalosa arabica Regan, 1917
English Arabian monocle bream for Scolopsis ghanam (Forsskål, 1775)
English Arabian pandora for Pagellus affinis Boulenger, 1888
English Arabian scad for Trachurus indicus Nekrasov, 1966
English Arabian smooth-hound for Mustelus mosis Hemprich & Ehrenberg, 1899
English arc-eye hawkfish for Paracirrhites arcatus (Cuvier, 1829)
English archerfishes for Toxotidae Bleeker, 1859
English Arctic sand lance for Ammodytes hexapterus Pallas, 1814
English areolate grouper for Epinephelus areolatus (Forsskål, 1775)
English armored catfishes for Loricariidae Rafinesque, 1815
English armored gurnards for Peristediidae Jordan & Gilbert, 1883
English armored searobins for Peristediidae Jordan & Gilbert, 1883
English armored sticklebacks for Indostomidae Prashad & Mukerji, 1929
English armorhead catfishes for Cranoglanididae Myers, 1931
English arowanas for Osteoglossidae Bonaparte, 1845
English Aru gudgeon for Oxyeleotris aruensis (Weber, 1911)
English Asian leaffishes for Nandidae Bleeker, 1852
English Asian seaperches for Lateolabracidae Ghedotti, Davis & Smith, 2018
English Atlantic blue marlin for Makaira nigricans Lacepède, 1802
English Atlantic bonito for Sarda sarda (Bloch, 1793)
English Atlantic horse mackerel for Trachurus trachurus (Linnaeus, 1758)
English Atlantic red eels for Myrocongridae Gill, 1890
English Atlantic sturgeon [from synonym] for Acipenser oxyrinchus oxyrinchus Mitchill, 1815
English Atlantic tripletail for Lobotes surinamensis (Bloch, 1790)
English Atlantic weasel shark for Paragaleus pectoralis (Garman, 1906)
English attenuated spider fish for Bathypterois atricolor Alcock, 1896
English aulopus for Aulopidae Bonaparte, 1831
English Australian bonytongue for Scleropages jardinii (Saville-Kent, 1892)
English Australian lungfish for Ceratodontidae †
English Australian prowfishes for Pataecidae Gill, 1872
English Australian salmon for Arripidae Gill, 1893
English austroglanids for Austroglanididae Mo, 1991
English axilspot hogfish for Bodianus axillaris (Bennett, 1832)
English Ayu fish for Plecoglossidae Bleeker, 1859
English Baelama anchovy for Thryssa baelama (Forsskål, 1775)