noun
scalpel sawtail
A species of surgeonfish (Prionurus scalprum) found in Japanese waters. The name is usually written in katakana.
ニザダイは磯釣りでよく見かける魚だ。
The scalpel sawtail is a fish often seen in shore fishing.
The name likely derives from the fish's appearance or local dialect, but the exact origin is uncertain.