Ablennes Jordan & Fordice, 1887 (basis of record)
Ablennes hians (Valenciennes, 1846) (additional source)
Abudefduf Forsskål, 1775 (additional source)
Abudefduf hoefleri (Steindachner, 1881) (additional source)
Abudefduf saxatilis (Linnaeus, 1758) (additional source)
Abudefduf sexfasciatus (Lacepède, 1801) (additional source)
Abudefduf vaigiensis (Quoy & Gaimard, 1825) (basis of record)
Acanthochromis Gill, 1863 (additional source)
Acanthochromis polyacanthus (Bleeker, 1855) (additional source)
Acanthogobius flavimanus (Temminck & Schlegel, 1845) (additional source)
Acanthopagrus bifasciatus (Forsskål, 1775) (basis of record)
Acanthostracion polygonium Poey, 1876 (basis of record)
Acanthostracion polygonius Poey, 1876 accepted as Acanthostracion polygonium Poey, 1876 (additional source)
Acanthurinae (basis of record)
Acanthurus Forsskål, 1775 (additional source)
Acanthurus achilles Shaw, 1803 (additional source)
Acanthurus chirurgus (Bloch, 1787) (additional source)
Acanthurus coeruleus Bloch & Schneider, 1801 (basis of record)
Acanthurus gahhm (Forsskål, 1775) (additional source)
Acanthurus guttatus Forster, 1801 (basis of record)
Acanthurus monroviae Steindachner, 1876 (additional source)
Acanthurus pyroferus Kittlitz, 1834 (basis of record)
Acanthurus sohal (Forsskål, 1775) (basis of record)
Acentrogobius Bleeker, 1874 (additional source)
Acentrogobius pflaumii (Bleeker, 1853) (additional source)
Acipenser Linnaeus, 1758 (additional source)
Acipenser baerii Brandt, 1869 (additional source)
Acipenser gueldenstaedtii Brandt & Ratzeburg, 1833 (additional source)
Acipenser nudiventris Lovetsky, 1828 (additional source)
Acipenser ruthenus Linnaeus, 1758 (additional source)
Acipenser stellatus Pallas, 1771 (additional source)
Acipenserinae (basis of record)
Acropoma japonicum Günther, 1859 (basis of record)
Alepes djedaba (Forsskål, 1775) (additional source)
Alosa fallax (Lacepède, 1803) (additional source)
Alosa sapidissima (Wilson, 1811) (additional source)
Ambassis dussumieri Cuvier, 1828 (basis of record)
Amblyopinae Günther, 1861 (basis of record)
Ameiurus catus (Linnaeus, 1758) (basis of record)
Ameiurus melas (Rafinesque, 1820) (basis of record)
Ameiurus nebulosus (Lesueur, 1819) (basis of record)
Ameiurus nebulosus (Lesueur, 1819) (additional source)
Amphiprion Bloch & Schneider, 1801 (additional source)
Amphiprion akindynos Allen, 1972 (additional source)
Amphiprion allardi Klausewitz, 1970 (basis of record)
Amphiprion chrysopterus Cuvier, 1830 (additional source)
Amphiprion nigripes Regan, 1908 (additional source)
Amphiprion ocellaris Cuvier, 1830 (additional source)
Anguilla anguilla (Linnaeus, 1758) (additional source)
Anguilla australis Richardson, 1841 (additional source)
Anguilla australis australis Richardson, 1841 accepted as Anguilla australis Richardson, 1841 (additional source)
Anguilla rostrata (Lesueur, 1817) (additional source)
Aphaniops Hoedeman, 1951 accepted as Aphanius Nardo, 1827 (basis of record)
Aphaniops dispar (Rüppell, 1829) (basis of record)
Aphanius Nardo, 1827 (additional source)
Aphanius dispar (Rüppell, 1829) accepted as Aphaniops dispar (Rüppell, 1829) (basis of record)
Aphanius dispar (Rüppell, 1829) accepted as Aphaniops dispar (Rüppell, 1829) (additional source)
Aphanius dispar dispar (Rüppell, 1829) accepted as Aphaniops dispar (Rüppell, 1829) (additional source)
Apogon Lacepède, 1801 (additional source)
Apogon fasciatus (White, 1790) accepted as Ostorhinchus fasciatus (White, 1790) (basis of record)
Apogon pharaonis Bellotti, 1874 accepted as Apogonichthyoides pharaonis (Bellotti, 1874) (additional source)
Apogon queketti Gilchrist, 1903 accepted as Jaydia queketti (Gilchrist, 1903) (basis of record)
Apogon smithi (Kotthaus, 1970) accepted as Jaydia smithi Kotthaus, 1970 (additional source)
Apogonichthyoides Smith, 1949 (additional source)
Apogonichthyoides pharaonis (Bellotti, 1874) (basis of record)
Apogoninae Günther, 1859 (basis of record)
Apolemichthys arcuatus (Gray, 1831) (additional source)
Apolemichthys trimaculatus (Cuvier, 1831) (basis of record)
Ariinae Bleeker, 1858 (basis of record)
Arius Valenciennes, 1840 (additional source)
Arius parkii Günther, 1864 accepted as Carlarius parkii (Günther, 1864) (basis of record)
Arius parkii Günther, 1864 accepted as Carlarius parkii (Günther, 1864) (additional source)
Arnoglossus nigrofilamentosus Fricke, Golani & Appelbaum-Golani, 2017 (basis of record)
Arothron diadematus (Rüppell, 1829) (additional source)
Arothron firmamentum (Temminck & Schlegel, 1850) (basis of record)
Arothron hispidus (Linnaeus, 1758) (basis of record)
Atherina boyeri Risso, 1810 (additional source)
Atherina mochon Cuvier, 1829 accepted as Atherina boyeri Risso, 1810 (additional source)
Atherinomorus forskalii (Rüppell, 1838) (basis of record)
Atherinomorus lacunosus (Forster, 1801) (basis of record)
Atherinomorus lacunosus (Forster, 1801) (additional source)
Atherinopsidae Fitzinger, 1873 (basis of record)
Autisthes De Vis, 1884 accepted as Terapon Cuvier, 1816 (basis of record)
Autisthes puta (Cuvier, 1829) accepted as Terapon puta Cuvier, 1829 (basis of record)
Babka Iljin, 1927 (basis of record)
Babka gymnotrachelus (Kessler, 1857) (basis of record)
Balistoides conspicillum (Bloch & Schneider, 1801) (basis of record)
Bathygobius Bleeker, 1878 (basis of record)
Bathygobius cyclopterus (Valenciennes, 1837) (additional source)
Batrachoidinae Jordan, 1896 (basis of record)
Belonesox belizanus Kner, 1860 (additional source)
Benthophilus Eichwald, 1831 (additional source)
Benthophilus stellatus (Sauvage, 1874) (additional source)
Blennius ocellaris Linnaeus, 1758 (additional source)
Bodianus Bloch, 1790 (additional source)
Bodianus pulchellus (Poey, 1860) (additional source)
Bregmaceros atlanticus Goode & Bean, 1886 (additional source)
Bregmaceros nectabanus Whitley, 1941 (basis of record)
Butinae Bleeker, 1874 (basis of record)
Butis Bleeker, 1856 (additional source)

Estonian Exclusive Economic Zone for Huso huso (Linnaeus, 1758)  (origin: alien)
Papua New Guinean Exclusive Economic Zone for Petroscirtes breviceps (Valenciennes, 1836)  (origin: alien)
Polish part of the Baltic Sea for Cyprinus carpio Linnaeus, 1758  (origin: alien)

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)

 Introduced species impact

 for Tridentiger trigonocephalus (Gill, 1859)

in California (State) : Outcompetes native species for resources and/or space [details]

 Introduced species impact

 for Tridentiger trigonocephalus (Gill, 1859)

in California (State) : Consumes native species (predator or herbivore) [details]