| (Cichlid) | Scientific name | Range | Last seen |
|---|---|---|---|
| Hula bream | Acanthobrama hulensis | Lake Hula (Israel) | 1975 |
| Beyşehir bleak | Alburnus akili | Lake Beyşehir (Turkey) | 1998 |
| (Poeciliidae) | Aplocheilichthys sp. nov. ‘Naivasha’ | Lake Naivasha (Kenya) | 1980s |
| Short barbelled barb | Labeobarbus microbarbis | Lake Luhondo (Rwanda) | 1950s |
| Parras characodon | Characodon garmani | Mexico | 1900 |
| Snake River sucker | Chasmistes muriei | Snake River (USA) | 1927 |
| Skadar nase | Chondrostoma scodrense | Lake Scutari (Montenegro, Albania) | 1881 |
| Longjaw cisco | Coregonus alpenae | Lake Huron, Lake Michigan, Lake Erie (USA) | 1975 |
| Deepwater cisco | Coregonus johannae | Lake Huron, Lake Michigansee (USA) | 1952 |
| Blackfin cisco | Coregonus nigripinnis | Lake Huron, Lake Michigansee (Canada, USA) | 1969 |
| Utah Lake sculpin | Cottus echinatus | Utah Lake (USA) | 1928 |
| Villa Lopez pupfish | Cyprinodon ceciliae | Nuevo León (Mexico) | 1988 |
| Cachorrito de la Trinidad | Cyprinodon inmemoriam | Nuevo León (Mexico) | 1984 |
| Parras pupfish | Cyprinodon latifasciatus | Coahuila (Mexico) | 2012 |
| Perritos de sandia | Cyprinodon spp. | Mexico | ? |
| Yilong carp | Cyprinus yilongensis | Yilong Lake (China) | 1993 ? |
| Ash Meadows killifish | Empetrichthys merriami | Nevada (USA) | 1948 |
| Mexican dace | Evarra bustamantei | Mexico | 1970 |
| Plateau chub | Evarra eigenmanni | Mexico | 1954 |
| Endorheic chub | Evarra tlahuacensis | Mexico | 1970 |
| Whiteline topminnow | Fundulus albolineatus | Indian Creek, Tennessee River (USA) | 1889 |
| Amistad gambusia | Gambusia amistadensis | Goodenough Spring (USA) | 1980s |
| San Marcos gambusia | Gambusia georgei | San Marcos Springs (USA) | 1983 |
| Thicktail chub | Gila crassicauda | Sacramento River, San Joaquin River (USA) | 1957 |
| (Cichlid) | Haplochromis arcanus | Lake Victoria (East Africa) | ? |
| (Cichlid) | Haplochromis artaxerxes | Lake Victoria (East Africa) | 1996 ? |
| (Cichlid) | Haplochromis bartoni | Lake Victoria (East Africa) | 1996 ? |
| (Cichlid) | Haplochromis boops | Lake Victoria (East Africa) | 1983 |
| (Cichlid) | Haplochromis cassius | Lake Victoria (East Africa) | 1986 |
| (Cichlid) | Haplochromis decticostoma | Lake Victoria (East Africa) | 1996 ? |
| (Cichlid) | Haplochromis dentex | Lake Victoria (East Africa) | 1987 |
| (Cichlid) | Haplochromis estor | Lake Victoria (East Africa) | 1996 ? |
| (Cichlid) | Haplochromis flavipinnis | Lake Victoria (East Africa) | 1984 |
| (Cichlid) | Haplochromis gowersii | Lake Victoria (East Africa) | 1996 ? |
| (Cichlid) | Haplochromis gilberti | Lake Victoria (East Africa) | 1996 ? |
| (Cichlid) | Haplochromis longirostris | Lake Victoria (East Africa) | 1985 |
| (Cichlid) | Haplochromis macrognathus | Lake Victoria (East Africa) | 1985 |
| (Cichlid) | Haplochromis mandibularis | Lake Victoria (East Africa) | 1996 ? |
| (Cichlid) | Haplochromis martini | Lake Victoria (East Africa) | 1985 |
| (Cichlid) | Haplochromis michaeli | Lake Victoria (East Africa) | 1985 |
| (Cichlid) | Haplochromis mylergates | Lake Victoria (East Africa) | 1983 |
| (Cichlid) | Haplochromis nanoserranus | Lake Victoria (East Africa) | 1986 |
| (Cichlid) | Haplochromis nigrescens | Lake Victoria (East Africa) | 1996 ? |
| (Cichlid) | Haplochromis nyanzae | Lake Victoria (East Africa) | 1996 ? |
| (Cichlid) | Haplochromis obtusidens | Lake Victoria (East Africa) | 1984 |
| (Cichlid) | Haplochromis pachycephalus | Lake Victoria (East Africa) | 1996 ? |
| (Cichlid) | Haplochromis paraplagiostoma | Lake Victoria (East Africa) | 1996 ? |
| (Cichlid) | Haplochromis paraguiarti | Lake Victoria (East Africa) | 1996 ? |
| (Cichlid) | Haplochromis percoides | Lake Victoria (East Africa) | 1986 |
| (Cichlid) | Haplochromis pharyngomylus | Lake Victoria (East Africa) | 1989 ? |
| (Cichlid) | Haplochromis prognathus | Lake Victoria (East Africa) | 1996 ? |
| (Cichlid) | Haplochromis pseudopellegrini | Lake Victoria (East Africa) | 1996 ? |
| (Cichlid) | Haplochromis teegelaari | Lake Victoria (East Africa) | 1986 |
| (Cichlid) | Haplochromis thuragnathus | Lake Victoria (East Africa) | 1996 ? |
| Pahranagat spinedace | Lepidomeda altivelis | Ash Springs, Pahranagat Lake, White River (USA) | 1938 |
| Harelip sucker | Moxostoma lacerum | Lake Erie (USA) | 1893 |
| Durango shiner | Notropis aulidion | Rio Tunal (Mexico) | 1961 |
| Yellow shiner | Notropis calientis | Rio Lerma, Rio Grande de Santiago, Rio Pánuco, Lake Cuitzeo (Mexico) | ? |
| Ameca shiner | Notropis amecae | Rio Ameca (Mexico) | ? |
| Phantom shiner | Notropis orca | Rio Grande (Mexico) | 1949 |
| Salado shiner | Notropis saladonis | Mexico | 1988 |
| Madagaskar lampeye | Pantanodon madagascariensis | Madagascar | 1960s |
| Lake Titicaca orestias | Orestias cuvieri | Lake Titicaca (Bolivia, Peru) | 1940s ? |
| Graceful priapella | Priapella bonita | Rio Motzorongo, Rio Refugio (Mexico) | 1965 |
| New Zealand grayling | Prototroctes oxyrhynchus | New Zealand | 1930s |
| (Cichlid) | Ptychochromis sp. nov. ‘Kotro’ | Onilahy River (Madagascar) | 1962 |
| Las Vegas dace | Rhinichthys deaconi | USA | 1980s |
| Greasefish | Rhizosomichthys totae | Lake Tota (Colombia) | 1958 |
| Lake Sidi Ali trout | Salmo pallaryi | Lake Aguelmame (Morocco) | 1930s |
| Blue walleye | Sander vitreus glaucus | Lake Erie, Lake Ontario (USA) | 1965 |
| Lake Constance whitefish | Coregonus gutturosus | Lake Constance (Germany, Austria, Switzerland) | 1970s |
| Silver trout | Salvelinus agassizii | USA | 1930 |
| Stumptooth minnow | Stypodon signifer | Mexico | 1903 |
| (Cichlid) | Tristramella intermedia | Lake Hula (Israel) | 1970s |
| (Cichlid) | Tristramella magdelainae | Syria | 1950s |
| (Cichlid) | Haplochromis niloticus | Lake Victoria (East Africa) | ? |
| Gravenche | Coregonus hiemalis | Lake Geneva (France, Switzerland) | 1950 |
| Clear Lake splittail | Pogonichthys ciscoides | Clear Lake (Kalifornien) | 1970 |
| True fera | Coregonus fera | Lake Geneva (France, Switzerland) | 1950s |
| (Ray-finned fish) | Alburnus danubicus | Lake Razim, Lake Zaton, Lake Simoe, Danube (Romania) | 1940s ? |
| (Whitefish) | Coregonus bezola | Lake Bourget (France) | 1960s ? |
| Duck-billed buntingi | Adrianichthys kruyti | Poso Lake (Sulawesi) | 1983 |
| Poso bungu | Mugilogobius amadi | Poso Lake (Sulawesi) | 1978 |
| (Whitefish) | Coregonus restrictus | Lake Murten (Switzerland) | 1890 |
| Galapagos damsel | Azurina eupalama | Galápagos Islands, Cocos Island | 1983 |
| (Cichlid) | Haplochromis spekii | Lake Victoria (East Africa) | 1992 |
| Danube delta dwarf goby | Knipowitschia cameliae | Danube Delta (Romania) | 1994 |
| Shortnose cisco | Coregonus reighardi | Lake Huron, Lake Michigan, Lake Ontario (USA, Canada) | 1985 |
| Mayforelle | Salmo schiefermuelleri | Lakes Atter, Traun and Fuschl (Austria) | ? |
| Houting | Coregonus oxyrinchus | Germany, England | Rediscovered in 2023 |
| Eğirdir minnow | Pseudophoxinus handlirschi | Lake Eğirdir (Turkey) | 1980 |
| Danube delta gudgeon | Romanogobio antipai | Danube, Argeș (Romania, Ukraine) | Rediscovered in 2019 |
| Lake Neuchâtel deepwater char | Salvelinus neocomensis | Lake Neuchâtel (Switzerland) | 1904 |
| Techirghiol stickleback | Gasterosteus crenobiontus | Lake Techirghiol (Romania) | 1960s |
| Tecopa pupfish | Cyprinodon nevadensis calidae | Mojave-Wüste (Kalifornien, USA) | 1970 |
| Iznik shemaya | Alburnus nicaeensis | Lake Iznik (Turkey) | Early 20th century |
| Bitungu | Barbodes palaemophagus | Lake Lanao (Philippines) | 1975 |
| Bitungu | Barbodes truncatulus | Lake Lanao (Philippines) | 1973 |
| Disa | Barbodes disa | Lake Lanao (Philippines) | 1964 |
| Bitungu | Barbodes pachycheilus | Lake Lanao (Philippines) | 1964 |
| Pait | Barbodes amarus | Lake Lanao (Philippines) | 1982 |
| Manalak | Barbodes manalak | Lake Lanao (Philippines) | 1977 |
| Katapa-tapa | Barbodes flavifuscus | Lake Lanao (Philippines) | 1964 |
| Bagangan | Barbodes clemensi | Lake Lanao (Philippines) | 1975 |
| Palata | Barbodes palata | Lake Lanao (Philippines) | 1964 |
| Katolo | Barbodes katolo | Lake Lanao (Philippines) | 1977 |
| (Carp) | Barbodes herrei | Lake Lanao (Philippines) | 1974 |
| Bagangan sa erungan | Barbodes resimus | Lake Lanao (Philippines) | 1964 |
| Baolan | Barbodes baoulan | Lake Lanao (Philippines) | 1991 |
| Tras | Barbodes tras | Lake Lanao (Philippines) | 1976 |
| Kandar | Barbodes lanaoensis | Lake Lanao (Philippines) | 1964 |
| (Carp) | Schizothorax saltans | Kazakhstan | 1953 |
| Catarina pupfish | Megupsilon aporus | Mexico | 2014 |
| Smooth handfish | Sympterichthys unipennis | Tasmania (Australia) | 1802 |
| Cunning silverside | Atherinella callida | Mexico | 1957 |
| Giant featherback | Chitala lopis | Java (Indonesia) | 1851 |
| (Ray-finned fish) | Labeo worthingtoni | Lake Malawi (Malawi, Mozambique, Tanzania) | 1932 |
| Long jaw tristramella | Tristramella sacra | Sea of Galilee (Israel) | 1990s |
| Lost shark | Carcharhinus obsoletus | South China Sea | 1934 |
| Chinese paddlefish | Psephurus gladius | Yangtze River (China) | 2005 |
| Raycraft ranch killifish | Empetrichthys latos concavus | Nevada (USA) | 1950s |
| Pahrump ranch killifish | Empetrichthys latos pahrump | Nevada (USA) | 1958 |
| Swamoroko | Gnathopogon elongatus suwae | Lake Suwa (Japan) | 1960s |
| Kyoto ninespine stickleback | Pungitius kaibarae | Honshū (Japan) | ? |
| Maryland darter | Etheostoma sellare | USA | 1988 |
| Java stingaree | Urolophus javanicus | Java | 1862 |
| Red Sea torpedo | Torpedo suessii | Red Sea (Yemen) | 1897 |
| Scioto madtom | Noturus trautmani | Ohio (USA) | 1957 |
| (Eel) | Congrhynchus talabonoides | Philippines | 1907 |
| (Eel) | Bathyroconger parvibranchialis | Philippines | 1907 |
| June sucker | Chasmistes liorus | Utah (USA) | 1935 ? |
| Grass Valley speckled dace | Rhinichthys osculus reliquus | Nevada (USA) | 1950 |
| Deepwater char | Salvelinus profundus | Lake Constance (Germany, Austria, Switzerland) | Rediscovered in 2014 |
| (Cichlid) | Haplochromis vonlinnei | Lake Victoria (East Africa) | 1980s |
| New Ireland stingaree | Spinilophus armatus | New Ireland (Papua New Guinea) | 1825 |
| Syr Darya sturgeon | Pseudoscaphirhynchus fedtschenkoi | Syrdarya, Aral Sea | 1968 |
| Dusky betta | Betta fusca | Sumatra, Indonesia | 1950s |
| Chapala lamprey | Tetrapleurodon spadiceus | Lake Chapala (Mexico) | 1997 |
| Alberca silverside | Chirostoma bartoni | Río Lerma (Mexico) | 2006 |
| Neotropical silverside) | Chirostoma charari | Lake Cuitzeo (Mexico) | 1957 |
| Neotropical silverside) | Chirostoma compressum | Lake Cuitzeo (Mexico) | 1941 |
| Corona rainbowfish | Melanotaenia corona | Sermowai (Indonesia) | 1911 |
| (Priapium fish) | Neostethus ctenophorus | Laguna de Bay (Philippines) | 1937 |
| Walker’s Toadfish | Batrachoides walkeri | Panama Bay (Panama) | 1953 |
| (Ricefish) | Adrianichthys roseni | Poso Lake (Sulawesi) | 1978 |
| (Halfbeak) | Hyporhamphus taiwanensis | Keeling, Tamsui (Taiwan) | ? |
| (Ricefish) | Oryzias timorensis | Mota Talau (Indonesia) | 1911 |
| (Characiformes) | Hasemania maxillaris | Iguaçu (Brazil) | 1908 |
| (Characiformes) | Hasemania melanura | Iguaçu (Brazil) | 1949 |
| (Characidae) | Hyphessobrycon taurocephalus | Iguaçu (Brazil) | 1908 |
| (Characidae) | Copadichromis nkatae | Nkhata Bay (Malawi) | 1960 |
| (Cichlid) | Corematodus shiranus | Lake Malawi (Malawi) | 1997 |
| (Cichlid) | Haplochromis aelocephalus | Lake Victoria (East Africa) | 1985 |
| (Cichlid) | Haplochromis altigenis | Lake Victoria (East Africa) | 1922 |
| (Cichlid) | Haplochromis antleter | Lake Victoria (East Africa) | 1982 |
| (Cichlid) | Haplochromis apogonoides | Lake Victoria (East Africa) | 1983 |
| (Cichlid) | Haplochromis argenteus | Lake Victoria (East Africa) | 1983 |
| (Cichlid) | Haplochromis barbarae | Lake Victoria (East Africa) | 1985 |
| (Cichlid) | Haplochromis bareli | Lake Victoria (East Africa) | 1985 |
| (Cichlid) | Haplochromis bayoni | Lake Victoria (East Africa) | 1996 ? |
| (Cichlid) | Haplochromis bicolor | Lake Victoria (East Africa) | 1991 |
| (Cichlid) | Haplochromis brownae | Lake Victoria (East Africa) | 1980s |
| (Cichlid) | Haplochromis cinctus | Lake Victoria (East Africa) | 1982 |
| (Cichlid) | Haplochromis cnester | Lake Victoria (East Africa) | 1983 |
| (Cichlid) | Haplochromis coprologus | Lake Victoria (East Africa) | 1982 |
| (Cichlid) | Haplochromis crassilabris | Lake Victoria (East Africa) | 1980 |
| (Cichlid) | Haplochromis crocopeplus | Lake Victoria (East Africa) | 1985 |
| (Cichlid) | Haplochromis dichrourus | Lake Victoria (East Africa) | 1986 |
| (Cichlid) | Haplochromis diplotaenia | Lake Victoria (East Africa) | 1928 |
| (Cichlid) | Haplochromis dolorosus | Lake Victoria (East Africa) | 1933 |
| (Cichlid) | Haplochromis eutaenia | Lake Victoria (East Africa) | 1928 |
| (Cichlid) | Haplochromis granti | Lake Victoria (East Africa) | 1986 |
| (Cichlid) | Haplochromis guiarti | Lake Victoria (East Africa) | 1985 |
| (Cichlid) | Haplochromis heusinkveldi | Lake Victoria (East Africa) | 1985 |
| (Cichlid) | Haplochromis hiatus | Lake Victoria (East Africa) | 1980 |
| (Cichlid) | Haplochromis iris | Lake Victoria (East Africa) | 1980 |
| (Cichlid) | Haplochromis ishmaeli | Lake Victoria (East Africa) | 1991 |
| (Cichlid) | Haplochromis katunzii | Lake Victoria (East Africa) | 1982 |
| (Cichlid) | Haplochromis maculipinna | Lake Victoria (East Africa) | 1996 ? |
| (Cichlid) | Haplochromis microdon | Lake Victoria (East Africa) | 1985 |
| (Cichlid) | Haplochromis pancitrinus | Lake Victoria (East Africa) | 1986 |
| (Cichlid) | Haplochromis parorthostoma | Lake Victoria (East Africa) | 1996 ? |
| (Cichlid) | Haplochromis parvidens | Lake Victoria (East Africa) | 1995 |
| (Cichlid) | Haplochromis perrieri | Lake Victoria (East Africa) | 1986 |
| (Cichlid) | Haplochromis phytophagus | Lake Victoria (East Africa) | 1996 |
| (Cichlid) | Haplochromis plutonius | Lake Victoria (East Africa) | 1980 |
| (Cichlid) | Haplochromis ptistes | Lake Victoria (East Africa) | 1984 |
| (Cichlid) | Haplochromis pyrrhopteryx | Lake Victoria (East Africa) | 1983 |
| (Cichlid) | Haplochromis sp. ‘big teeth’ | Lake Victoria (East Africa) | ? |
| (Cichlid) | Haplochromis sp. ‘black cryptodon’ | Lake Victoria (East Africa) | ? |
| (Cichlid) | Haplochromis sp. ‘longurius’ | Lake Victoria (East Africa) | ? |
| (Cichlid) | Haplochromis sp. ‘purple rocker’ | Lake Victoria (East Africa) | 1996 ? |
| (Cichlid) | Haplochromis sphex | Lake Victoria (East Africa) | 1986 |
| (Cichlid) | Haplochromis squamulatus | Lake Victoria (East Africa) | ? |
| (Cichlid) | Haplochromis sulphureus | Lake Victoria (East Africa) | 1985 |
| (Cichlid) | Haplochromis theliodon | Lake Victoria (East Africa) | 1993 |
| (Cichlid) | Haplochromis tridens | Lake Victoria (East Africa) | ? |
| (Cichlid) | Haplochromis ushindi | Lake Victoria (East Africa) | 1980 |
| (Cichlid) | Haplochromis victorianus | Lake Victoria (East Africa) | 1985 |
| (Cichlid) | Haplochromis xenostoma | Lake Victoria (East Africa) | 1983 |
| Mojarra del Cenote Conchita | Mayaheros conchitae | Conchita Cenote (Mexiko) | 1975 |
| Mojarra del Cenote Conchita | Mayaheros ericymba | San Bulha (Mexico) | 1975 |
| (Cichlid) | Nyassachromis breviceps | Lake Malawi (Malawi) | 1997 |
| Chambo | Oreochromis lidole | Lake Malawi, Lake Malombe, Shire (Malawi) | 1992 |
| (Cichlid) | Psammochromis cryptogramma | Lake Victoria (East Africa) | 1982 |
| Trondo mainty | Ptychochromoides betsileanus | Ilanana, Manantanana (Madagascar) | 1994 |
| (Cichlid) | Ptychochromis onilahy | Onilahy (Madagascar) | 1962 |
| Thracian shad | Alosa vistonica | Lake Vistonida (Greece) | 1990s |
| (Clupea) | Clupea manulensis | Manila Bay (Philippines) | 1822 |
| Long-spine bream | Acanthobrama centisquama | Amik Lake (Turkey), Lake al-Gab (Syria) | Early 20th century ? |
| Damascus bream | Acanthobrama tricolor | Masil al Fawwar (Syria) | 1980s |
| Elongate bitterling | Acheilognathus elongatus | Dian Chi (China) | 1980s |
| (Carp) | Alburnus sellal adanensis | Seyhan (Turkey) | 1944 |
| (Ray-finned fish) | Anabarilius macrolepis | Yilong Lake (China) | 1981 |
| (Ray-finned fish) | Anabarilius polylepis | Dian Chi (China) | 1970s |
| (Ray-finned fish) | Anabarilius qiluensis | Qilu Lake (China) | 1980s |
| (Ray-finned fish) | Anabarilius yangzonensis | Yangzong Lake (China) | 2008 |
| Burnt-tailed barb | Balantiocheilos ambusticauda | Thailand | 1974 |
| (Carp) | Barbodes cataractae | Lake Lanao (Philippines) | 1986 |
| Lindog | Barbodes lindog | Lake Lanao (Philippines) | 2008 ? |
| Sirang | Barbodes sirang | Lake Lanao (Philippines) | 2007 |
| (Carp) | Barbonymus platysoma | Solo (Philippines) | 1855 |
| Haditha cavefish | Caecocypris basimi | Aquifer near Haditha (Iraq) | 1983 |
| Azerbaijani spined loach | Cobitis amphilekta | Kyzylagach Bay (Azerbaijan) | 1937 |
| Diyarbakir spined loach | Cobitis kellei | Tigris (Turkey) | 1974 |
| (True loach) | Cobitis minamorii yodoensis | Yodo (Japan) | 1996 |
| Red shiner (blairi) | Cyprinella lutrensis blairi | Rio Grande (USA) | 1954 |
| (Carp) | Cyprinus barbatus | Er Hai (China) | 1982 |
| (Carp) | Cyprinus fuxianensis | Fuxian Hu (China) | 1995 |
| (Carp) | Cyprinus ilishaestomus | Qilu Lake (China) | 1970s |
| Dianchi carp | Cyprinus micristius | Dian Chi (China) | 1980s |
| (Carp) | Cyprinus qionghaiensis | Qiong Lake (China) | 1980s |
| (Carp) | Cyprinus yunnanensis | Qilu Lake (China) | 1970s |
| (Carp) | Garra longipinnis | Oman | 1968 ? |
| (Carp) | Gila sp. nov. carpa delgada de Parras | North America | 1968 |
| Giant atlas barbel | Labeobarbus reinii | Ksob River (Morocco) | 2001 |
| (Loach) | Lepidocephalus pahangensis | Sungai Pahang (Malaysia) | 1933 |
| (Carp) | Lobocheilos lehat | Citarum (Indonesia) | 1858 |
| Chott el Djerid Barbel | Luciobarbus antinorii | Artesian well in Chott el Djerid (Tunisia) | 1989 |
| (Carp) | Luciobarbus nasus | Ksob River (Morocco) | 1874 |
| (True loach) | Misgurnus anguillicaudatus ssp. nov. Jindai | Iga (Japan) | 1970s |
| Athi sardine | Neobola fluviatilis | Athi-Galana-Sabaki (Kenya) | 1961 |
| Bovany barb | Neolissochilus bovanicus | Bhavani River, Kaveri (India) | 1998 |
| Maravatío shiner | Notropis marhabatiensis | Río Lerma (Mexico) | 2002 |
| Bluntnose shiner (sinus) | Notropis simus simus | Rio Grande (Texas) | 1964 |
| Deolali minnow | Parapsilorhynchus prateri | Darna River (India) | 1937 |
| Diyarbakır loach | Paraschistura chrysicristinae | Batman Çayı (Turkey) | Rediscovered in 2021 |
| (Stone loach) | Physoschistura raoi | Mongyai (Myanmar) | 1929 |
| (Ray-finned fish) | Poropuntius chonglingchungi | Fuxian Lake (China) | 1980s |
| Barada spring minnow | Pseudophoxinus syriacus | Barada (Syria) | 2008 |
| Deccan barb | Puntius deccanensis | Westghats (India) | 1976 |
| (Carp) | Rasborinus macrolepis | Taiwan | 1920 |
| Banff longnose dace | Rhinichthys cataractae smithi | Sulphur Mountain (Canada) | 1987 |
| Akstafa spring roach | Rutilus sojuchbulagi | Kura (Azerbaijan) | 1948 |
| (Stone loach) | Schistura myrmekia | Thailand | 1935 |
| (Stone loach) | Schistura nasifilis | Ko, Tan (Vietnam) | 1936 |
| (Stone loach) | Schistura tenura | Nam-Leuk (Laos) | 1998 |
| (Stone loach) | Schistura zonata | Assam (Indien) | 1839 |
| (Carp) | Siphateles bicolor ‘High Rock Springs tui chub’ | California, Nevada (USA) | 1989 |
| Dianchi Qiu Biao Qiu | Sphaerophysa dianchiensis | Dian Chi (China) | 1988 |
| (Stone loach) | Speonectes tiomanensis | Malaysia | 2000 |
| (Carp) | Systomus compressiformis | Inle Lake (Myanmar) | 1994 |
| Gölçük Killifish | Anatolichthys splendens | Lake Gölçük (Turkey) | 1980s |
| (Lampeye) | Aplocheilichthys sp. nov. ‘Naivasha’ | Lake Naivasha (Kenya) | 1970s or 1980s |
| (Killifish) | Austrolebias toba | Rio de Oro (Argentina) | 2005 |
| (Killifish) | Cynolebias elegans | Rio Verde Grande (Brazil) | 2005 |
| Santa Cruz pupfish | Cyprinodon arcuatus | Santa Cruz River (USA, Mexico) | 2002 |
| (Killifish) | Fundulopanchax powelli | Niger Delta (Nigeria) | 1994 |
| (Killifish) | Hypsolebias splendissimus | Rio São Francisco (Brasilien) | 2010 |
| (Killifish) | Leptopanchax sanguineus | Magé River (Brazil) | 1988 |
| (Killifish) | Moema claudiae | Rio Guaporé (Bolivia) | 2003 |
| (Killifish) | Mucurilebias leitaoi | Mucuri River (Brazil) | 1988 |
| (Killifish) | Nothobranchius mkuziensis | Mkuze River (South Africa) | 1931 |
| (Killifish) | Notholebias cruzi | São João River (Brazil) | ? |
| Peixe-anual | Ophthalmolebias perpendicularis | Rio Jequitinhonha (Brazil) | 2000 |
| (Orestias) | Orestias incae | Lake Titicaca (Bolivia, Peru) | 1937 |
| (Orestias) | Orestias taquiri | Lake Titicaca (Bolivia, Peru) | 1937 |
| (Orestias) | Orestias tutini | Lake Titicaca (Bolivia, Peru) | 1937 |
| (Orestias) | Orestias uruni | Lake Titicaca (Bolivia, Peru) | 1937 |
| (Orestias) | Pantanodon sp. ‘Manombo’ | Madagascar | 1997 |
| Barrigudinho | Phalloptychus eigenmanni | Catu River (Brazil) | 1908 |
| Guaru-Listrado-da-Cabeceira | Phallotorynus fasciolatus | Rio Tietê, Rio Paraíba do Sul (Brazil) | 1967 |
| (Gobiidae) | Asterropteryx gubbina | Silhouette (Seychelles) | 2008 |
| Bia | Exyrias volcanus | Taal Lake (Philippines) | 1927 |
| Drysdale gudgeon | Kimberleyeleotris notata | Drysdale River (Australia) | 1975 |
| Partner shrimp goby | Myersina yangii | Taiwan | 1960 |
| (Ray-finned fish) | Silhouettea flavoventris | Taal Lake (Philippines) | 1927 |
| (Goby) | Stiphodon discotorquatus | Rurutu (French Polynesia) | 1985 |
| Martenstyni’s goby | Stiphodon martenstyni | Kalu River (Sri Lanka) | 1981 |
| Ituí-maraúna | Tembeassu marauna | Río Paraná (Brazil) | 1965 |
| (Ray-finned fish) | Gasterosteus sp. nov. ‘Benthic’ | Hadley Lake (Canada) | 1999 |
| (Ray-finned fish) | Gasterosteus sp. nov. ‘Limnetic’ | Hadley Lake (Canada) | 1999 |
| (Ray-finned fish) | Gasterosteus sp. nov. ‘Enos Lake benthic stickleback’ | Enos Lake (Canada) | 1990s |
| (Ray-finned fish) | Gasterosteus sp. nov. ‘Enos Lake limnetic stickleback’ | Enos Lake (Canada) | 1990s |
| Callao drum | Sciaena callaensis | Callao Bay (Peru) | 1966 |
| (Whitefish) | Coregonus cf. clupeaformis ‘Dragon’ | Dragon Lake (Canada) | 1956 |
| (Whitefish) | Coregonus hoferi | Lake Chiemsee (Germany) | 1940s |
| Kiyi | Coregonus kiyi orientalis | Lake Ontario (Canada, USA) | 1964 |
| Vendace (vandesius) | Coregonus vandesius vandesius | Mill Loch (Scotland) | 1970s |
| Siskiwit Lake cisco | Coregonus zenithicus bartletti | Siskiwit Lake (USA) | 1966 |
| Swiss whitefish | Coregonus zugensis | Lake Zug (Switzerland) | 1989 |
| Cutthroat trout (alvordensis) | Oncorhynchus clarki alvordensis | Trout Creek Mountains, Virgin Creek (USA) | ? |
| Cutthroat trout (macdonaldi) | Oncorhynchus clarki macdonaldi | Twin Lakes (USA) | Early 20th century |
| Bojak | Salmo ischchan danilewskii | Lake Sevan (Armenia) | 1991 |
| Winter bakhtak | Salmo ischchan ischchan | Lake Sevan (Armenia) | 1991 |
| Lake Sidi Ali Trout | Salmo pallaryi | Aguelmame Sidi Ali (Morocco) | 1934 |
| Orkney charr | Salvelinus inframundus | Hoy (Scotland) | 1908 or 2000 |
| Blunt-nosed Irish charr | Salvelinus obtusus | Lough Leane (Ireland) | 1999 |
| (Airbreathing catfish) | Encheloclarias kelioides | Sedili River (Malaysia) | 1993 |
| (Bagrid catfish) | Hemileiocassis panjang | Ciliwung, Cisadane (Java, Indonesia) | 1920 to 1929 |
| Bagrinho-do-Tietê | Heptapterus multiradiatus | Rio Tietê (Brazil) | 1966 |
| (Bagrid catfish) | Hyalobagrus ornatus | Sungai Muar (Malaysia) | 1904 |
| (Catfish) | Kryptopterus mononema | Bengawan Solo (Java, Indonesia) | 1846 |
| King’s Bullhead | Liobagrus kingi | Dian Chi (China) | 1960 |
| (Armored catfish) | Lithogenes valencia | Lake Valencia (Venezuela) | ? |
| Siamese flat-barbelled catfish | Platytropius siamensis | Mae Nam Chao Phraya, Mae Nam Bang Pakong (Thailand) | 1977 |
| Kunming-Lake catfish | Silurus mento | Dian Chi (China) | 1970s |
| (Upside-down catfish) | Synodontis guttatus | Niger Delta (Nigeria) | 1865 |
| (Pencil catfish) | Typhlobelus auriculatus | Rio Xingu (Brazil) | 1996 |
| Lake Victoria deepwater catfish | Xenoclarias eupogon | Lake Victoria (East Africa) | 1997 |
| Sri Lankan spiny eel | Macrognathus pentophthalmos | Kalu River (Sri Lanka) | 2015 |
| (Spiny eel) | Sinobdella sinensis kobayashii | Taiwan | ? |
| Mesopotamian barbel | Luciobarbus subquincunciatus | Lake Lanao (Philippines) | Rediscovered in 2024 |
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