also: ながれたごがえる
noun
stream brown frog; Napparagawa frog
A species of frog (Rana sakuraii) native to Japan. The name is typically written in katakana as ナガレタゴガエル.
ナガレタゴガエルは日本の固有種です。
The stream brown frog is a species endemic to Japan.
春になると、ナガレタゴガエルの鳴き声が聞こえる。
In spring, you can hear the calls of the stream brown frog.
The name ナガレタゴガエル likely derives from 流れ (nagare, 'stream') + 田子 (tago, possibly a place name or old term) + 蛙 (kaeru, 'frog'), reflecting its habitat. The exact origin of 'tago' is uncertain.