noun
Japanese clawed salamander
A species of salamander native to Japan, Onychodactylus japonicus. Often written in katakana as a biological name.
ハコネサンショウウオは清流に生息する。
The Japanese clawed salamander lives in clear streams.
Named after the Hakone region (箱根) where it was first discovered, combined with 山椒魚 (salamander). The exact derivation is straightforward from the place name and the general term for salamander.