unstriated

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

在大多数鱼类的尾鳍，沿著腹缘的前部具有无条痕的鳍条。在一些鱼中，例鰕虎鱼其有条痕的无条纹的软条数量比在鑑有帮助的。