Of, relating to, or characteristic of certain bony fishes, such as the sturgeon and the gar, that have armorlike scales consisting of bony plates covered with layers of dentine and enamel.

• 硬鳞的，光鳞的属于、关于或具有某种多骨鱼特征的，例如鲟鱼和雀鳝，具有由覆盖有齿质层和珐琅层的骨盘组成的类似盔甲的鳞