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Acanthuridae
| Bonaparte [C. L.] 1835 | Valid | sabertooth fishes | 501 |
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Acestrorhynchidae
| Eigenmann [C. H.] 1912 | Valid | acestrorhynchids | 138 |
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Achiridae
| Rafinesque [C. S.] 1810 | Valid | American soles | 355 |
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Achiropsettidae
| Evseenko [S. A.] 1990 | Valid | southern flounders | 353 |
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Acipenseridae
| Bonaparte [C. L.] 1831 | Valid | sturgeons | 65 |
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Acropomatidae
| Gill [T. N.] 1893 | Valid | lanternbellies | 399 |
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Adrianichthyidae
| Weber [M. C. W.] 1913 | Valid | adrianichthyids; ricefishes | 309 |
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Agonidae
| Swainson [W.] 1839 | Valid | poachers | 488 |
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Akysidae
| Gill [T. N.] 1861 | Valid | stream catfishes | 158 |
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Albulidae
| Bleeker [P.] 1859 | Valid | bonefishes | 70 |
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Alepisauridae
| Swainson [W.] 1839 | Valid | lancetfishes | 219 |
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Alepocephalidae
| Bonaparte [C. L.] 1846 | Valid | typical slickheads / naked heads | 105 |
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Alestidae
| Hoedeman [J. J.] 1951 | Valid | African tetras | 125 |
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Alopiidae
| Bonaparte [C. L.] 1835 | Valid | thresher sharks | 19 |
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Amarsipidae
| Haedrich [R. L.] 1969 | Valid | amarsipids | 373 |
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Ambassidae
| Klunzinger [C. B.] 1870 | Valid | Asiatic glassfishes | 283 |
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|
Amblyopsidae
| Bonaparte [C. L.] 1846 | Valid | cavefishes | 232 |
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Amiidae
| Bonaparte [C. L.] 1831 | Valid | bowfins | 67 |
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Ammodytidae
| Bonaparte [C. L.] 1835 | Valid | sand lances | 387 |
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Amphiliidae
| Regan [C. T.] 1911 | Valid | loach catfishes | 162 |
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Anabantidae
| Bonaparte [C. L.] 1831 | Valid | climbing gouramies | 337 |
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Anablepidae
| Bonaparte [C. L.] 1831 | Valid | four-eyed fishes; jenynsiids | 323 |
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Anacanthobatidae
| von Bonde [C.] & Swart [D. B.] 1923 | Synonym | leg skates | 0 |
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Anarhichadidae
| Bonaparte [C. L.] 1835 | Valid | wolffishes | 473 |
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Anguillidae
| Rafinesque [C. S.] 1810 | Valid | freshwater eels | 91 |
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Anomalopidae
| Gill [T. N.] 1889 | Valid | lanterneye fishes | 256 |
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Anoplogastridae
| Gill [T. N.] 1893 | Valid | fangtooths | 254 |
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Anoplopomatidae
| Jordan [D. S.] & Gilbert [C. H.] 1883 | Valid | sablefishes and skilfishes | 481 |
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Anostomidae
| Günther [A.] 1864 | Valid | toothed headstanders | 132 |
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Anotopteridae
| Zugmayer [E.] 1911 | Valid | daggerheads | 219 |
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Antennariidae
| Gill [T. N.] 1861 | Valid | frogfishes | 510 |
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Aphredoderidae
| Bonaparte [C. L.] 1846 | Valid | pirate perches | 231 |
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Apistidae
| Gill [T. N.] 1859 | Valid | wasp scorpionfishes | 455 |
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Aploactinidae
| McCulloch [A. R.] 1922 | Valid | velvetfishes | 456 |
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Aplocheilidae
| Bleeker [P.] 1859 | Valid | rivulines | 315 |
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Aplodactylidae
| Günther [A.] 1859 | Valid | marble fishes | 441 |
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Apogonidae
| Günther [A.] 1859 | Valid | cardinalfishes | 274 |
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Apteronotidae
| Jordan [D. S.] 1923 | Valid | ghost knifefishes | 185 |
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Aracanidae
| Hollard [H. L. G. M.] 1860 | Valid | deepwater primitive boxfishes | 530 |
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Argentinidae
| Bonaparte [C. L.] 1846 | Valid | argentines / herring smelts | 190 |
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Arhynchobatidae
| Fowler [H. W.] 1934 | Valid | softnose skates | 45 |
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Ariidae
| Bleeker [P.] 1862 | Valid | sea catfishes | 172 |
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Ariommatidae
| Haedrich [R. L.] 1967 | Valid | ariommatids | 376 |
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Arripidae
| Gill [T. N.] 1893 | Valid | Australian salmons | 410 |
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Aspredinidae
| Adams [G. L.] 1854 | Valid | banjo catfishes | 173 |
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Astroblepidae
| Bleeker [P.] 1862 | Valid | climbing catfishes | 147 |
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Ateleopodidae
| Kaup [J. J.] 1858 | Valid | jellynose fishes | 204 |
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Atherinidae
| Risso [A.] 1827 | Valid | old world silversides | 308 |
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Atherinopsidae
| Fitzinger [L. J. F. J.] 1873 | Valid | silversides | 301 |
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Atherionidae
| Jordan [D. S.] & Starks [E. C.] 1901 | Valid | pricklenose silversides | 305 |
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Auchenipteridae
| Bleeker [P.] 1862 | Valid | auchenipterid catfishes | 175 |
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Auchenoglanididae
| Jayaram [K. C.] 1966 | Valid | auchenoglanids | 166 |
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Aulopidae
| Yoshino [T.] & Araga [C.] 1872 | Valid | flagfins | 206 |
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Aulorhynchidae
| Gill [T. N.] 1861 | Valid | tubesnouts | 478 |
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Aulostomidae
| Rafinesque [C. S.] 1815 | Valid | trumpetfishes | 361 |
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Austroglanididae
| Mo [T.-P.] 1991 | Valid | Austroglanids | 150 |
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Badidae
| Barlow [G. W.], Liem [K. F.] & Wickler [W.] 1968 | Valid | Asian leaffishes | 342 |
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Bagridae
| Bleeker [P.] 1858 | Valid | bagrid catfishes | 157 |
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Balistidae
| Rafinesque [C. S.] 1810 | Valid | triggerfishes | 532 |
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Balitoridae
| Swainson [W.] 1839 | Valid | river loaches | 116 |
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Banjosidae
| Jordan [D. S.] & Thompson [W. F.] 1912 | Valid | banjofishes | 419 |
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Barbourisiidae
| Parr [A. E.] 1945 | Valid | velvet whalefishes | 263 |
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Barbuccidae
| Kottelat [M.] 2012 | Valid | fire-eyed loaches | 120 |
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Bathyclupeidae
| Gill [T. N.] 1896 | Valid | bathyclupeids | 408 |
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Bathydraconidae
| Regan [C. T.] 1914 | Valid | Antarctic dragonfishes | 453 |
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Bathygadidae
| Jordan [D. S.] & Evermann [B. W.] 1898 | Valid | rattails | 242 |
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Bathylagidae
| Gill [T. N.] 1893 | Valid | deepsea smelts | 193 |
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Bathymasteridae
| Jordan [D. S.] & Gilbert [C. H.] 1883 | Valid | ronquils | 467 |
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Bathysauridae
| Baldwin [C. C.] & Johnson [G. D.] 1996 | Valid | deepsea lizardfishes | 212 |
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Batrachoididae
| Jordan [D. S.] & Evermann [B. W.] 1898 | Valid | toadfishes | 272 |
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Belonidae
| Bonaparte [C. L.] 1835 | Valid | needlefishes, long toms | 313 |
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Bembridae
| Kaup [J. J.] 1873 | Valid | deepwater flatheads | 463 |
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Berycidae
| Lowe [R. T.] 1839 | Valid | berycids or alfonsinos | 266 |
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Blenniidae
| Rafinesque [C. S.] 1810 | Valid | blennies | 296 |
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Bothidae
| Regan [C. T.] 1910 | Valid | lefteye flounders | 349 |
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Botiidae
| Swainson [W.] 1940 | Valid | pointface loaches | 113 |
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Bovichtidae
| Gill [T. N.] 1861 | Valid | thornfishes | 447 |
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Brachaeluridae
| Compagno [L. J. V.] 1973 | Valid | blind sharks | 10 |
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Bramidae
| Bonaparte [C. L.] 1831 | Valid | pomfrets | 427 |
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Bregmacerotidae
| Gill [T. N.] 1872 | Valid | codlets | 250 |
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Butidae
| Bleeker [P.] 1874 | Valid | butid sleepers | 279 |
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Bythitidae
| Gill [T. N.] 1861 | Valid | livebearing brotulas | 269 |
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Caesionidae
| Bonaparte [C. L.] 1831 | Valid | fusiliers | 438 |
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Callanthiidae
| Fowler [H. W.] 1907 | Valid | splendid perches | 502 |
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|
Callichthyidae
| Bonaparte [C. L.] 1835 | Valid | callichthyid armored catfishes | 145 |
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|
Callionymidae
| Bonaparte [C. L.] 1831 | Valid | dragonets | 367 |
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|
Callorhinchidae
| Goodrich [E. S.] 1909 | Valid | plownose chimaeras | 5 |
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|
Caproidae
| Bonaparte [C. L.] 1835 | Valid | boarfishes | 508 |
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|
Carangidae
| Rafinesque [C. S.] 1815 | Valid | jacks, amberjacks, pompanos | 332 |
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Carapidae
| Jordan [D. S.] & Fowler [H. W.] 1902 | Valid | pearlfishes | 267 |
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Carcharhinidae
| Jordan [D. S.] & Evermann [B. W.] 1896 | Valid | requiem sharks | 29 |
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|
Caristiidae
| Gill [T. N.] & Smith [H. M.] 1905 | Valid | veilfins or manefishes | 428 |
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Catostomidae
| Agassiz [L.] 1855 | Valid | suckers | 112 |
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Caulophrynidae
| Regan [C. T.] 1912 | Valid | fanfin anglers | 516 |
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|
Centrarchidae
| Bleeker [P.] 1859 | Valid | sunfishes and freshwater basses | 420 |
| |
|
Centriscidae
| Rafinesque [C. S.] 1810 | Valid | shrimpfishes | 364 |
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|
Centrogenyidae
| Fowler [H. W.] 1907 | Valid | false scorpionfishes | 396 |
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|
Centrolophidae
| Bonaparte [C. L.] 1846 | Valid | medusafishes | 374 |
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Centrophoridae
| Bleeker [P.] 1859 | Valid | gulper sharks | 33 |
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|
Centropomidae
| Poey [F.] 1868 | Valid | snooks | 393 |
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