noun
small fish scale
Refers to the tiny scales of small fish; a somewhat technical or literary term.
細鱗が光にきらめいていた。
The small fish scales glittered in the light.
noun
By extension, can refer to small fish themselves, though this usage is uncommon.
漁師は細鱗を網ですくった。
The fisherman scooped up small fish with a net.