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Endangered (EN) species are considered to be facing a very high risk of extinction in the wild. In September 2016, the International Union for Conservation of Nature (IUCN) listed 643 endangered fish species. [1] Of all evaluated fish species, 4.2% are listed as endangered. The IUCN also lists ten fish subspecies as endangered.
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.
The Tasmanian giant freshwater crayfish (Astacopsis gouldi), also called Tasmanian giant freshwater lobster, is the largest freshwater invertebrate and the largest freshwater crayfish species in the world. The species is only found in the rivers below 400 metres (1,300 ft) above sea level in northern Tasmania, an island-state of Australia.
Mekong giant catfish are one of the largest species of freshwater fish. In 2005, the Mekong giant catfish attained the Guinness World Record for the world's largest freshwater fish. [ 4 ] [ 5 ] Attaining a length of up to 3 m (9.8 ft), the Mekong giant catfish grows extremely quickly, reaching a mass of 150 to 200 kg (330 to 440 lb) in only six ...
A large alligator gar, the largest freshwater fish in North America The largest of the gar, and the largest entirely freshwater fish in North America, is the alligator gar (Atractosteus spatula). The largest gar ever known, caught in Louisiana in 1925, was 3 m (9.8 ft) in length and weighed 137 kg (302 lb). [1] Anglerfish (Lophiiformes) The ...
The P. sanitwongsei is a carnivorous fish, whose prey consist of shrimp, crabs, and fish. [6] Since the fish lives on the bottom, it is also known to feed on larger animals' carcasses. [4] Due to it being both an apex predator and a bottom-dwelling fish, it limits the populations of smaller fish as many catfish species.
California's Fish and Game Commission voted to consider listing white sturgeon, the largest freshwater fish in North America, as a threatened species.
See: List of endangered fishes, List of critically endangered fishes. Vulnerable, endangered and critically endangered species are collectively referred to as threatened species by the IUCN. Additionally 3191 fish species (21% of those evaluated) are listed as data deficient , meaning there is insufficient information for a full assessment of ...