ハタタテダイ

noun

pennant coralfish; common bannerfish

A species of butterflyfish (Heniochus acuminatus) with a long dorsal fin, found in coral reefs. Also known by several other English names including feather-fin bullfish, featherfin coralfish, longfin bannerfish, and reef bannerfish.

• ハタタテダイは長ながい背せびれが特とく徴ちょう的てきな熱ねっ帯たい魚ぎょです。

  The pennant coralfish is a tropical fish characterized by its long dorsal fin.