尖头蝴蝶鱼 Chaetodon oxycephalus jiān tóu hú dié yú

尖头蝴蝶鱼,Chaetodon oxycephalus，蝴蝶鱼科蝴蝶鱼属。类似银蝶（假人字蝶），眼带在眼睛上方相连，额头上有马蹄形黑斑，而银蝶鱼不但眼带在眼睛上方相连，连额头也接在一起，前额看来好像有白斑。本种的黑带自背部延伸至尾鳍根部。

百度翻译提供：

Chaetodon oxycephalus, Phalaenopsis of Phalaenopsis family. Similar to the Silver Butterfly (dummy word butterfly), the eye band is connected above the eyes and there are horseshoe shaped black spots on the forehead, while the silver butterfly fish is not only connected above the eyes, but also connected to the forehead. It seems that there are white spots on the forehead. The black belt of this species extends from the back to the root of the caudal fin.