三角蝴蝶鱼 sān jiǎo hú dié yú

三角蝴蝶鱼，Chaetodon triangulum，蝴蝶鱼科蝴蝶鱼属。头部颜色略黄，有3条褐色横带，体侧布满平行<形暗纹，尾柄前有一新月形白色斑，体高而侧扁。喜欢栖息在角珊瑚茂盛的海区。性胆怯，在其他鱼未行动前，已逃之天天；以珊瑚虫为主食，可喂动物性饵料，幼鱼容易驯饵，成鱼较难。

百度翻译提供：

Chaetodon Triangulum, belonging to the genus Phalaenopsis of Phalaenopsis family. The color of the head is slightly yellow, with three brown transverse bands, the side of the body is covered with parallel dark lines, and there is a crescent white spot in front of the tail handle. The body is high and flat. I like to live in the lush Cape. Sexual timidity, before other fish act, has fled every day; Taking coral insects as the staple food, it can be fed with animal bait. Young fish are easy to tame the bait, but it is difficult for adults.