description Roughskin spurdog Overview
The roughskin spurdog, Cirrhigaleus asper, is a valid species of deep-water dogfish shark in the family Squalidae. It was described by Peter Merrett in 1973 and is one of three barbel-bearing species recognized in the genus Cirrhigaleus. It has the rough skin indicated by its common name, formed by dermal denticles, the small tooth-like structures that cover the skin; records place it in marine waters over continental and insular shelf habitats.
help Roughskin spurdog FAQ
What is the roughskin spurdog?
The roughskin spurdog is Cirrhigaleus asper, a valid deep-water dogfish shark in the family Squalidae. Its common name refers to its rough skin.
Who described Cirrhigaleus asper?
Peter Merrett described Cirrhigaleus asper in 1973. It is one of three barbel-bearing species recognized in the genus Cirrhigaleus.
What family does the roughskin spurdog belong to?
The roughskin spurdog belongs to Squalidae, the dogfish shark family. It is classified in the genus Cirrhigaleus.
Why is Cirrhigaleus asper called a spurdog?
It is a dogfish shark associated with the spurdog group and has the rough skin reflected in the species name asper. It is also characterized taxonomically as a deep-water shark with barbels.
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