蓝纹蝴蝶鱼 Chaetodon fremblii lán wén hú dié yú

蓝纹蝴蝶鱼,（Chaetodon fremblii）又名蓝线蝶，蓝线锦蝶，属鲈形目、蝴蝶鱼科、蝴蝶鱼属，为一类热带珊瑚礁鱼类。蓝纹蝴蝶鱼多产于夏威夷海域，活动于珊瑚礁丰茂的地区，觅食各类有机物碎屑及珊瑚虫、海藻等，它们独特的花纹使得其作为观赏鱼受到人类的关注。

百度翻译提供：

Chaetodon fremlii, also known as blue line butterfly and blue line brocade butterfly, belongs to Perciformes, Phalaenopsis family and Phalaenopsis genus. It is a kind of tropical coral reef fish. Blue striped butterfly fish are mostly produced in the waters of Hawaii and live in the areas with abundant coral reefs. They feed on all kinds of organic debris, coral insects and algae. Their unique patterns make them attracted human attention as ornamental fish.