镜斑蝴蝶鱼 jìng bān hú dié yú

镜斑蝴蝶鱼，【Chaetodon speculum】属蝴蝶鱼科，蝴蝶鱼属鱼类。属于观赏鱼类。性情胆小，易受惊吓。饲养时注意周边环境。需要有足够耐心使其食饵。

百度翻译提供：

Mirror spotted butterfly fish, [Chaetodon speculum] belongs to Phalaenopsis family, and Phalaenopsis belongs to fish. It belongs to ornamental fish. Timid and easily frightened. Pay attention to the surrounding environment when feeding. You need to be patient enough to feed it.