- 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
Fish species (IUCN, 2016-2)
- 15,219 extant species have been evaluated
- 12,028 of those are fully assessed [a]
- 9679 are not threatened at present [b]
- 2343 to 5534 are threatened [c]
- 71 to 158 are extinct or extinct in the wild:
- 65 extinct (EX) species [d]
- 6 extinct in the wild (EW)
- 87 possibly extinct [CR(PE)]
- 0 possibly extinct in the wild [CR(PEW)]
- ^ excludes data deficient evaluations.
- ^ NT, LR/cd, LC.
- ^ Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
- ^ Chart omits extinct (EX) species
