Roughskin spurdog

Roughskin spurdog
Off the coast of South Carolina
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Division: Selachii
Order: Squaliformes
Family: Squalidae
Genus: Cirrhigaleus
Species:
C. asper
Binomial name
Cirrhigaleus asper
(Merrett, 1973)
Range of the roughskin spurdog (in blue)

The roughskin spurdog (Cirrhigaleus asper) is a dogfish of the family Squalidae, found circumglobally between latitudes 35°N and 35°S, at depths of between 200 metres (660 ft) and 600 metres (2,000 ft). It reaches a length of 1.2 metres (3.9 ft).

The roughskin spurdog is ovoviviparous with 21 to 22 young in a litter.