深水蝴蝶鱼 Prognathodes guyotensis shēn shuǐ hú dié yú

深水蝴蝶鱼,【Prognathodes guyotensis】为辐鳍鱼纲鲈形目蝴蝶鱼科的其中一种。分布于西大西洋区，本鱼栖息于陡峭的外海岩礁。杂食性，以海绵、菌丝藻与小型甲壳动物为食。

百度翻译提供：

Deep water butterfly fish, [prognathodes guyotensis] is one of the butterfly fish families of Perciformes of the class radiofin fish. Distributed in the western Atlantic region, this fish inhabits steep offshore reefs. Omnivorous, feeding on sponges, mycelial algae and small crustaceans.