八带蝴蝶鱼 Chaetodon octofasciatus bā dài hú dié yú

八带蝴蝶鱼,（Chaetodon octofasciatus）又名八线蝶、八间蝶，属鲈形目蝴蝶鱼科、蝴蝶鱼属，为一类热带珊瑚礁鱼类。八带蝴蝶鱼产于印度洋北部安达曼海及日本海，活动于珊瑚礁丰茂的地区，觅食有机物碎屑及珊瑚虫、海葵，其朴素的条纹状花色受到人们的喜爱。

百度翻译提供：

Chaetodon octofasciatus, also known as eight thread butterfly and eight room butterfly, belongs to the family Phalaenopsis of Perciformes and the genus Phalaenopsis. It is a kind of tropical coral reef fish. It is found in the fringed coral and butterfly reef in the northern part of the Indian Ocean, and it is loved by people for its organic foraging.