noun
biwa trout; biwa salmon
A freshwater salmonid endemic to Lake Biwa, Japan. Often considered a subspecies of masu salmon (Oncorhynchus masou).
See also: 琵琶鱒
琵琶湖にはアメノウオという固有の魚が生息している。
A fish endemic to Lake Biwa called the biwa trout lives there.
アメノウオはマスノスケの亜
The biwa trout is sometimes considered a subspecies of masu salmon.
Synonym; also refers to the biwa trout. 琵琶鱒 is a kanji compound meaning 'Biwa trout'.
The name アメノウオ (amenouo) likely derives from 雨の魚 (rain fish), possibly referring to the rainy season when it spawns, but the exact origin is uncertain.