List of data deficient fishes
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In September 2016, the International Union for Conservation of Nature (IUCN) listed 3191 data deficient fish species.[1] A data deficient species is one which has been categorized by the IUCN as offering insufficient information for a proper assessment of conservation status to be made. Of all evaluated fish species, 21% are listed as data deficient. The IUCN also lists 12 fish subspecies as data deficient.
- Extinct in the wild (EW): 6 species
- Critically endangered (CR): 455 species
- Endangered (EN): 643 species
- Vulnerable (VU): 1,245 species
- Near threatened (NT, LR/cd): 548 species
- Least concern (LC): 9,131 species
- Data deficient (DD): 3,191 species
Of the subpopulations of fishes evaluated by the IUCN, 34 species subpopulations have been assessed as data deficient.
This is a complete list of data deficient fish species and subspecies evaluated by the IUCN. Species and subspecies which have data deficient subpopulations (or stocks) are indicated.