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The Japanese eel (Anguilla japonica; nihon unagi (日本鰻) [2]) is a species of anguillid eel found in Japan, Korea, Taiwan, China, and Vietnam, [3] as well as the northern Philippines. Like all the eels of the genus Anguilla and the family Anguillidae , it is catadromous , meaning it spawns in the sea but lives parts of its life in freshwater.
The European eel (Anguilla anguilla) is listed as Critically Endangered on the global IUCN Red List of Threatened Species. While the Japanese eel (Anguilla japonica) and American eel (Anguilla rostrata) are assessed as Endangered. [16] In 2010, Greenpeace International added the American eel, European eel, and Japanese eel to its seafood red ...
All three eel species used as unagi have seen their population sizes greatly reduced in the past half century. For example, catches of the European eel have declined about 80% since the 1960s. The Japanese Ministry of the Environment has officially added Japanese eel to the “endangered” category of the country's Red List of animals ranging ...
High consumption of eels is seen in European countries leading to those eel species being considered endangered. Sustainable consumption In 2010, Greenpeace International added the European eel , Japanese eel , and American eel to its seafood red list. [ 47 ]
Habu, four different species of venomous snake that exist in certain islands including Okinawa, the Sakishima Islands and the Tokara Islands, but not on the islands of Honshu, Kyushu, Shikoku, Hokkaido.
These illustrations show the steps a swallowed Japanese eel takes to free itself from a fish's stomach. - Yuha Hasegawa/Yuuki Kawabata To do that, the researchers assembled fish subjects in lab ...
Freshwater eels are aquatic and live in various habitats, including freshwater, estuaries, and saltwater/marine habitats, and occupy the roles of both predator and prey, and evidence has been found of nematode parasitism in some species. [18] Some eel species have been observed consuming the eggs of predatory fish such as trout, aiding in ...
Another Atlantic eel species is known: the American eel, Anguilla rostrata. First it was believed European and American eels were the same species due to their similar appearance and behavior, but they differ in chromosome count and various molecular genetic markers, and in the number of vertebrae, A. anguilla counting 110 to 119 and A ...