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

臀鳍鳍条特长，交配季节两颌和鳃盖会长出黄色珠星。

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

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