As of September 2016, the

International Union for Conservation of Nature The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...

(IUCN) lists 65

extinct Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...

fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of li ...

species, 87 possibly extinct fish species, and six

extinct in the wild A species that is extinct in the wild (EW) is one that has been categorized by the International Union for Conservation of Nature as known only by living members kept in captivity or as a naturalized population outside its historic range due ...

fish species.

Cartilaginous fish Chondrichthyes (; ) is a class that contains the cartilaginous fishes that have skeletons primarily composed of cartilage. They can be contrasted with the Osteichthyes or ''bony fishes'', which have skeletons primarily composed of bone tissue ...

Possibly extinct species * Lost shark ''(Carcharhinus obsoletus)'' * Red Sea torpedo ''(Torpedo suessii)'' * Java stingaree ''(Urolophus javanicus)'' Populations * Mediterranean sand tiger shark ''(Carcharias taurus europaeus)''

Lampreys Lampreys (sometimes inaccurately called lamprey eels) are an ancient extant lineage of jawless fish of the order Petromyzontiformes , placed in the superclass Cyclostomata. The adult lamprey may be characterized by a toothed, funnel-like s ...

Extinct species *Ukrainian migratory lamprey ''Eudontomyzon'' sp. 'migratory' Possibly extinct species * Tetrapleurodon spadiceus (''Tetrapleurodon spadiceus'')

Ray-finned fishes Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so called because their fins are webs of skin supported by bony or h ...

There are 64 extinct species, 85 possibly extinct species, and six extinct in the wild species of ray-finned fish evaluated by the IUCN.

Acipenseriformes Acipenseriformes is an order of basal ray-finned fishes that includes living and fossil sturgeons and paddlefishes (Acipenseroidei), as well as the extinct families Chondrosteidae and Peipiaosteidae. They are the second earliest div ...

Chinese paddlefish The Chinese paddlefish (''Psephurus gladius''; : literal translation: "white sturgeon"), also known as the Chinese swordfish, is an Extinction, extinct species of fish that was formerly native to the Yangtze and Yellow River basins in China. Wit ...

''(Psephurus gladius)''

Salmoniformes Salmonidae is a family of ray-finned fish that constitutes the only currently extant family in the order Salmoniformes . It includes salmon (both Atlantic and Pacific species), trout (both ocean-going and landlocked), chars, freshwater whitefis ...

Extinct species Possibly extinct species *''

Coregonus hoferi ''Coregonus'' is a diverse genus of fish in the salmon family (biology), family (Salmonidae). The ''Coregonus'' species are known as whitefishes. The genus contains at least 68 described Extant taxon, extant taxa, but the true number of species ...

'' *

Shortnose cisco The shortnose cisco (''Coregonus reighardi'') is a North American freshwater whitefish in the salmon family Salmonidae. One of the members of the broader ''Coregonus artedi'' species complex of ciscoes, it is native to the Great Lakes of Canad ...

''(Coregonus reighardi)'' Extinct in the wild species * Kunimasu (''Oncorhynchus kawamurae)'' * Inconnu ''(Stenodus leucichthys)''

Toothcarps

Extinct species Possibly extinct species Extinct in the wild species

Cypriniformes Cypriniformes is an order of ray-finned fish, including the carps, minnows, loaches, and relatives. Cypriniformes is an Order within the Superorder Ostariophysi consisting of "Carp-like" Ostariophysins. This order contains 11-12 families, ...

Extinct species Possibly extinct species

Gasterosteiformes Gasterosteoidei is a suborder of ray-finned fishes that includes the sticklebacks and relatives, the 5th edition of '' Fishes of the World'' classifies this suborder within the order Scorpaeniformes. Systematics Gasterosteoidei is treated as ...

Extinct species * Techirghiol stickleback ''(Gasterosteus crenobiontus)''

Osmeriformes The Osmeriformes are an order of ray-finned fish that includes the true or freshwater smelts and allies, such as the galaxiids and noodlefishes; they are also collectively called osmeriforms. They belong to the teleost superorder Protacanthopte ...

Extinct species *

New Zealand grayling The New Zealand grayling (''Prototroctes oxyrhynchus'') is an extinct species of fish that was endemic to New Zealand. It was known to the Māori by many names, including pokororo, paneroro, kanae-kura, and most commonly, upokororo. The variety o ...

''(Prototroctes oxyrhynchus)''

Catfishes Catfish (or catfishes; order Siluriformes or Nematognathi) are a diverse group of ray-finned fish. Named for their prominent barbels, which resemble a cat's whiskers, catfish range in size and behavior from the three largest species alive, ...

Extinct species *

Scioto madtom The Scioto madtom (''Noturus trautmani'') was a species of fish in the family Ictaluridae. It is listed as extinct by the International Union for Conservation of Nature, which notes that it has likely been entirely or functionally extinct since 1 ...

''(Noturus trautmani)'' * Siamese flat-barbelled catfish ''(Platytropius siamensis)'' Possibly extinct species

Perciformes Perciformes (), also called the Percomorpha or Acanthopteri, is an order or superorder of ray-finned fish. If considered a single order, they are the most numerous order of vertebrates, containing about 41% of all bony fish. Perciformes means ...

Extinct species Possibly extinct species

Clupeiformes Clupeiformes is the order of Actinopterygii, ray-finned fish that includes the herring family, Clupeidae, and the anchovy family, Engraulidae. The group includes many of the most important Forage fish, forage and food fish. Clupeiformes are phy ...

Possibly extinct species

*'' Alosa vistonica''

Scorpaeniformes The Scorpaeniformes are a diverse order of ray-finned fish, including the lionfishes and sculpins, but have also been called the Scleroparei. It is one of the five largest orders of bony fishes by number of species, with over 1,320. They are ...

Extinct species * Utah Lake sculpin ''(Cottus echinatus)''

Anglerfish The anglerfish are fish of the teleost order Lophiiformes (). They are bony fish named for their characteristic mode of predation, in which a modified luminescent fin ray (the esca or illicium) acts as a lure for other fish. The luminescence ...

Extinct species

Smooth handfish The smooth handfish (''Sympterichthys unipennis'') is a possibly extinct species of handfish in the genus ''Sympterichthys''. It was endemic to waters off the coast of Tasmania, mainly the D’Entrecasteaux Channel. It was declared extinct by t ...

(''Sympterichthys unipennis'')

References

* 01 Recently extinct *Fish, Recently Fish, Recent Extinct, Recent Recently extinct fish {{bots, deny=BG19bot,Yobot