Butterfly fish

Japanese: butterfly fish（英語表記）butterflyfish

…The Chaetodontidae family of butterflyfish, along with the Damselfish family, are representative of coral reef fish, and their beautiful colors and markings make them popular in aquariums, home aquariums, and among divers. The name “Chaetodontidae” is used worldwide, and is called “butterfly fish” in English, “papillon” in French, and “Ling-Huo-Feng-Feng” in Chinese. They are widely distributed in tropical and subtropical warm seas, and their range almost overlaps with that of coral reefs. …

From Lionfish (Minohasago)

…It is also called minnowo (Tsushima) or minokoze (Kagoshima). In English, closely related species are called butterfly fish or tiger fish. There are four species of lionfish in the genus lionfish in the seas around Japan: lionfish, netai lionfish, yomiokoze, and anami lionfish. …

*Some of the terminology that mentions "butterfly fish" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…チョウチョウウオ科Chaetodontidae魚類はスズメダイ科魚類と並んでサンゴ礁魚類の代表で，その美しい色彩，斑紋は，水族館でも，家庭の水槽でも，またダイバーたちにも人気が高い。チョウチョウの名は世界的なもので，英語はbutterfly fish，フランス語はpapillon，中国語は領胡蝶魚である。熱帯，亜熱帯の暖海に広く分布し，その範囲はサンゴ礁の分布とほぼ重なる。…