Roughskin Dogfish

Roughskin Dogfish is a deep-water squalid shark with the scientific name Cirrhigaleus asper. Its name refers to unusually coarse skin denticles, the tooth-like structures covering shark skin.

The species has been recorded from scattered locations in both the Atlantic and Pacific oceans. These records describe a deep-sea animal rather than a common coastal shark.

Its skin denticles are coarser than average, giving the surface a rough texture. Those denticles are part of the shark's skin structure, not scales like those found on many bony fish.

Yes. It is classified as a deep-water shark, so it is associated with offshore habitats below the shallow coastal zone. The species belongs to the dogfish group of sharks, family Squalidae.