斑鼻鱼 Naso maculatus bān bí yú

斑鼻鱼，【Naso maculatus】体呈椭圆形而侧扁；尾柄部有二个盾状骨板，各有一个龙骨突。头小，头背弧形，随着成长，成鱼在前头部无角状起，亦无瘤状突起。口小，端位，上下颌各具一列齿，齿稍侧扁且尖锐，两侧或有锯状齿。背鳍及臀鳍硬棘尖锐，分别具VI-VII棘及II棘，各鳍条皆不延长；尾鳍截平或内凹，上下叶不延长。体背褐色至橄榄色，体腹白色或淡蓝色；体侧上半部具有许多暗色蠕纹或斑点；舌黑色。尾鳍橄榄色或稍暗，尾缘淡蓝色。

百度翻译提供：

The body of [naso maculatus] is oval and flat on the side; There are two shield bone plates at the tail handle, each with a keel process. The head is small and the back of the head is curved. With the growth, the adult fish has no horn or tumor like protrusion in the front head. The mouth is small, with an end position. The upper and lower jaw have a row of teeth respectively. The teeth are slightly flat and sharp, with saw teeth on both sides. Dorsal fin and gluteal fin hard spines are sharp, with VI-VII spines and II spines respectively, and each fin ray is not prolonged; The caudal fin is truncated or concave, and the upper and lower leaves do not extend. The back of the body is brown to olive, and the belly is white or light blue; There are many dark peristaltic lines or spots on the upper part of the body side; The tongue is black. The caudal fin is olive or slightly dark, and the caudal edge is light blue.