The male shows elongated rays in its anal fin and yellow pearl organs on the jaws and opercula during breeding season.

雄鱼臀鳍鳍条特，季节两颌和鳃盖会出黄色珠星。

Most fishes have unstriated rays along the anterior part of the dorsal and ventral edges (leading edges) of the caudal fin.

在大多数鱼类尾鳍，沿著背侧与腹侧缘前部具有条痕鳍条。在一些鱼中，例如鰕虎鱼其有条痕与条纹软条数量比在鑑定上是有帮助。