方吻鼻鱼 Naso mcdadei fāng wěn bí yú

方吻鼻鱼，【Naso mcdadei】体呈长椭圆形而侧扁；尾柄部有二个盾状骨板，各有一个龙骨突。头小，随着成长，在眼前方之额部逐渐突出而形成瘤状突起。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，背鳍硬棘V，软条数28-31；臀鳍硬棘II，软条数26-29

百度翻译提供：

Naso mcdadei has a long oval body and a flat side; There are two shield bone plates at the tail handle, each with a keel process. The head is small. As it grows, it gradually protrudes from the forehead in front of the eyes and forms a tumor like protrusion. The upper and lower jaw have a row of teeth, the teeth are slightly flat and sharp, and there are saw teeth on both sides. The hard spines of dorsal fin and gluteal fin are sharp, the hard spines of dorsal fin are V, and the number of soft spines is 28-31; Hip fin hard spine II, number of soft spines 26-29