长吻前颌蝴蝶鱼 Prognathodes aculeatus chǎng wěn qián hé hú dié yú

长吻前颌蝴蝶鱼,【Prognathodes aculeatus】长吻前颌蝴蝶鱼，为辐鳍鱼纲鲈形目蝴蝶鱼科的其中一种，本鱼体侧扁，吻突出，体略呈三角形，身体的上半部橘黄色逐渐在背鳍基部变化成黑色；身体下半部为白色；在头部有一条深色直条纹通过眼睛；另有一条狭窄的橘色横带从背鳍软条部延伸至尾柄。腹鳍和臀鳍黄色，背鳍硬棘13至14枚、背鳍软条18至19枚；臀鳍硬棘3枚、臀鳍软条14至16枚。体长可达10厘米。

百度翻译提供：

Prognathodes aculeatus is one of the species of Phalaenopsis family of Perciformes of the class radiofin fish. Its body is flat, its kiss is prominent, and its body is slightly triangular. The upper half of its body is orange and gradually changes to black at the base of its dorsal fin; The lower part of the body is white; There is a dark straight stripe on the head through the eyes; Another narrow orange transverse band extends from the soft strip of dorsal fin to the caudal stalk. The ventral and gluteal fins are yellow, with 13 to 14 dorsal fin hard spines and 18 to 19 dorsal fin soft spines; There are 3 hard spines of gluteal fin and 14 to 16 soft spines of gluteal fin. The body length can reach 10 cm.