noun
Japanese huchen; Sakhalin taimen
A large freshwater fish native to Hokkaido and Sakhalin; critically endangered. Often written in katakana as イトウ.
イトウは北海道の一部の川にしか生息していない。
The Japanese huchen inhabits only some rivers in Hokkaido.
釣り人にとってイトウは幻の魚と呼ばれている。
Anglers call the Japanese huchen a 'phantom fish'.
Rarely used kanji form.
The name イトウ likely derives from the Ainu word for this fish. The kanji 伊富 and 伊富魚 are ateji.