Fish species (IUCN, 2016-2)
  • 15,219 extant species have been evaluated
  • 12,028 of those are fully assessed[lower-alpha 1]
  • 9679 are not threatened at present[lower-alpha 2]
  • 2343 to 5534 are threatened[lower-alpha 3]
  • 71 to 158 are extinct or extinct in the wild:
    • 65 extinct (EX) species[lower-alpha 4]
    • 6 extinct in the wild (EW)
    • 87 possibly extinct [CR(PE)]
    • 0 possibly extinct in the wild [CR(PEW)]

  1. excludes data deficient evaluations.
  2. NT, LR/cd, LC.
  3. Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
  4. Chart omits extinct (EX) species

As of September 2016, the International Union for Conservation of Nature (IUCN) lists 65 extinct fish species, 87 possibly extinct fish species, and six extinct in the wild fish species.[1][2]

Cartilaginous fish

Possibly extinct species

Populations

Lampreys

Extinct species

  • Ukrainian migratory lamprey Eudontomyzon sp. 'migratory'

Possibly extinct species

  • Tetrapleurodon spadiceus (Tetrapleurodon spadiceus)

Ray-finned fishes

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

Includes sturgeons and paddlefishes.

Salmoniformes

Extinct species

Possibly extinct species

Extinct in the wild species

Toothcarps

Extinct species

Possibly extinct species

Extinct in the wild species

Cypriniformes

Includes carps, minnows, loaches and relatives.

Extinct species

Possibly extinct species

Gasterosteiformes

Extinct species

Osmeriformes

Extinct species

Catfishes

Extinct species

Possibly extinct species

Perciformes

("Perch-like")

Extinct species

Possibly extinct species

Clupeiformes

Possibly extinct species

Scorpaeniformes

Extinct species

Anglerfish

Possibly extinct species

See also

References

  1. "IUCN Red List version 2016-2". The IUCN Red List of Threatened Species. International Union for Conservation of Nature and Natural Resources (IUCN). Archived from the original on 27 June 2014. Retrieved 8 September 2016.
  2. "Table 9: Possibly Extinct and Possibly Extinct in the Wild Species (IUCN Red List version 2016-2)". The IUCN Red List of Threatened Species. Union for Conservation of Nature and Natural Resources (IUCN). Archived from the original on 13 October 2013. Retrieved 8 September 2016.


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