拟鲔鼻鱼 Naso thynnoides nǐ wěi bí yú

拟鲔鼻鱼，Naso thynnoides 分布于印度-西太平洋区的印度尼西亚，最大体长40cm，栖息于珊瑚礁、岩礁区或碎石底之泻湖区，常 于礁区上方或中水层活动，栖息深度在20公尺以内。以叶状褐藻为主食。在珊瑚礁区及其外围地区都可以见到，它们在海洋中觅食小型猎物，也会去珊瑚礁上啃食海藻等有机物，为一种著名的观赏鱼。

百度翻译提供：

Naso thynnoides, a tuna like fish, is distributed in Indonesia in the Indo Western Pacific region, with a maximum body length of 40cm. It inhabits coral reefs, rock reefs or lagoons with gravel bottom. It often moves above reefs or in the middle water layer, and its habitat depth is less than 20m. The main food is leafy brown algae. It can be seen in the coral reef area and its surrounding areas. They look for small prey in the ocean, and also go to the coral reef to eat algae and other organic matter. It is a famous ornamental fish.