threadfin butterflyfish
A species of butterflyfish (Chaetodon auriga) with a distinctive thread-like extension on the dorsal fin.
The threadfin butterflyfish is widely distributed in the Indo-Pacific.
I saw a school of threadfin butterflyfish while diving.
Rare kanji form; it is rarely used.
Rare kanji form; it is rarely used.
Compound of 棘 (toge, 'thorn') + 蝶々魚 (chōchōuo, 'butterflyfish'), referring to the thread-like dorsal fin extension.