What feature distinguishes the lumpfish's skin covering?

Answer

It features numerous lumps, bumps, and ridges, specifically three rows of large, bony tubercles per flank.

The lumpfish skin is characterized by fleshy knobs and bony protrusions, most notably three distinct rows of large bony tubercles running along each side.

What feature distinguishes the lumpfish's skin covering?
animalfishcharacteristicLumpfish