noun
Nipponocypris sieboldii; a species of cyprinid fish
A freshwater fish native to Japan, often found in streams and rivers. The name is usually written in katakana as ヌマムツ.
この川ではヌマムツがよく釣れる。
Nipponocypris sieboldii are often caught in this river.
ヌマムツは日本の固有種です。
Nipponocypris sieboldii is a species endemic to Japan.