Biology:List of critically endangered fishes

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Critically endangered (CR) species face an extremely high risk of extinction in the wild.

As of July 2017, the International Union for Conservation of Nature (IUCN) listed 1,000 critically endangered fish species, including 87 which are tagged as possibly extinct.[1][2] Of all evaluated fish species, 3.0% are listed as critically endangered. The IUCN also lists four fish subspecies as critically endangered.

Of the subpopulations of fish evaluated by the IUCN, 20 species subpopulations and one subspecies subpopulation have been assessed as critically endangered.

Additionally 3191 fish species (21% of those evaluated) are listed as data deficient, meaning there is insufficient information for a full assessment of conservation status. As these species typically have small distributions and/or populations, they are intrinsically likely to be threatened, according to the IUCN.[3] While the category data deficient indicates that no assessment of extinction risk has been made for the taxa, the IUCN notes that it may be appropriate to give them "the same degree of attention as threatened taxa, at least until their status can be assessed".[4]

This is a complete list of critically endangered fish species and subspecies evaluated by the IUCN. Species considered possibly extinct by the IUCN are marked as such. Species and subspecies which have critically endangered subpopulations (or stocks) are indicated.

Cartilaginous fishes

Cartilaginous fishes include sharks, rays, skates, and shovelnose rays. The majority of the order Rhinopristiformes, which includes sawfish, guitarfish, wedgefish, and other shovelnose rays, is considered critically endangered, with 28 of its 64 evaluated species considered critically endangered by the IUCN.[5]

Carchariniformes

Lamniformes

Orectolobiformes

Squaliformes

Squatiniformes

Rajiformes

Myliobatiformes

Rhinopristiformes

  • Largetooth sawfish (Pristis pristis)
  • Smalltooth sawfish (Pristis pectinata)
  • Green sawfish (Pristis zijsron)
  • Dwarf sawfish (Pristis clavata)
  • Narrow sawfish (Anoxypristis cuspidata)
  • Giant guitarfish (Glaucostegus typus)
  • Halavi guitarfish (Glaucostegus halavi)
  • Bowmouth guitarfish (Rhina ancylostoma)
  • Smoothback guitarfish (Rhinobatus lionotus)
  • Spineback guitarfish (Rhinobatos irvinei)
  • Sharpnose guitarfish (Glaucostegus granulatus)
  • Bangladeshi guitarfish (Glaucostegus younholeei)
  • Stripenose guitarfish (Acroteriobatus variegatus)
  • Clubnose guitarfish (Glaucostegus thouin)
  • Widenose guitarfish (Glaucostegus obtusus)
  • Whitespotted guitarfish (Rhynchobatus djiddensis)
  • Jimbaran guitarfish (Rhinobatos jimbaraensis)
  • Brown guitarfish (Rhinobatos schlegeii)
  • Blackchin guitarfish (Glaucostegus cemiculus)
  • Bengal guitarfish (Rhinobatus annandalei)
  • Brazilian guitarfish (Pseudobatus horkelii)
  • Common guitarfish (Rhinobatos rhinobatos)
  • Philippine guitarfish (Rhinobatos whitei)
  • Broadnose wedgefish (Rhynchobatus springeri)
  • Bottlenose wedgefish (Rhynchobatus australiae)
  • Smoothnose wedgefish (Rhynchobatus laevis)
  • African wedgefish (Rhynchobatus luebberti)
  • Taiwanese wedgefish (Rhynchobatus immaculatus)
  • Clown wedgefish (Rhynchobatus cooki)
  • Whitespotted wedgefish (Rhinobatus albomaculatus)
  • False shark ray (Rhynchorhina mauritaniensis)

Torpediniformes

  • Red Sea torpedo (Torpedo suessii) (possibly extinct)
  • Argentine torpedo (Tetronarce puelcha)

Subpopulations


Ray-finned fishes

There are 431 species, four subspecies, four subpopulations of species, and one subpopulations of subspecies of ray-finned fish assessed as critically endangered.

Acipenseriformes

Acipenseriformes includes sturgeons and paddlefishes. There are 19 species and eight subpopulations in the order Acipenseriformes assessed as critically endangered.

Acipenseridae

Main page: Biology:Acipenseridae

Species


Subpopulations

Salmoniformes

Main page: Biology:Salmoniformes

Species


Subpopulations of species

Subpopulations of subspecies

  • Aral sea trout (Salmo trutta aralensis) (1 subpopulation)

Silversides

Main page: Biology:Atheriniformes


Toothcarps

Main page: Biology:Cyprinodontiformes

Species


Subspecies

  • Epiplatys fasciolatus josianae
  • Ejagham killi (Fundulopanchax gardneri lacustris)

Cypriniformes

Cypriniformes includes carps, minnows, loaches and relatives. There are 145 species, one subspecies, and one subpopulation in the order Cypriniformes assessed as critically endangered.

Hillstream loaches

True loaches

Main page: Biology:Cobitidae


Cyprinids

Main page: Biology:Cyprinidae

Species


Subspecies

  • Rhodeus ocellatus smithii

Subpopulations

  • Common carp (Cyprinus carpio) (1 subpopulation)

Psilorhynchids

Suckers

Main page: Biology:Catostomidae
  • June sucker (Chasmistes liorus)
  • Razorback sucker (Xyrauchen texanus)

Osmeriformes

Main page: Biology:Osmeriformes

Includes freshwater smelts and allies.


Catfishes

Perciformes

Main page: Biology:Perciformes

There are 144 species, one subspecies, and one subpopulation in the order Perciformes assessed as critically endangered.

Cichlids

Main page: Biology:Cichlidae

Species


Subspecies

  • Chromidotilapia guntheri loennbergii

Percids

Main page: Biology:Percidae


Gobies

Main page: Biology:Gobiidae


Other Perciformes

Species


Subpopulations

  • Atlantic wreckfish (Polyprion americanus) (1 subpopulation)

Characiformes

Other ray-finned fish species

Other fishes

See also

References

  1. ↑ "IUCN Red List version 2016-2". International Union for Conservation of Nature and Natural Resources (IUCN). http://www.iucnredlist.org/. Retrieved 8 September 2016. 
  2. ↑ "Table 9: Possibly Extinct and Possibly Extinct in the Wild Species (IUCN Red List version 20162)". Union for Conservation of Nature and Natural Resources (IUCN). http://www.iucnredlist.org/about/summary-statistics. Retrieved 8 September 2016. 
  3. ↑ "Limitations of the Data". Union for Conservation of Nature and Natural Resources (IUCN). http://www.iucnredlist.org/initiatives/mammals/description/limitations. Retrieved 11 January 2016. 
  4. ↑ "2001 Categories & Criteria (version 3.1)". Union for Conservation of Nature and Natural Resources (IUCN). http://www.iucnredlist.org/static/categories_criteria_3_1. Retrieved 11 January 2016. 
  5. ↑ "IUCN Red List of Threatened Species". https://www.iucnredlist.org/. 




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