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Roughskin spurdog

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Roughskin spurdog
Off the coast of South Carolina
Scientific classification Edit this classification
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.

Taxonomy

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The roughskin spurdog was first described in 1973 as Squalus asper by British ichthyologist Nigel Merrett. It was later quickly changed to Cirrhigaleus asper.[2] The roughskin spurdog is also known as the roughskin dogfish and roughskin dogshark in English.[3] Genetic and morphological analyses have confirmed that Cirrhigaleus asper is a distinct species within the genus Cirrhigaleus, separate from C. barbifer and C. australis.[4]

References

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  1. Finucci, B.; Cheok, J.; Cotton, C.F.; Kulka, D.W.; Neat, F.C.; Rigby, C.L.; Tanaka, S.; Walker, T.I. (2020). "Cirrhigaleus asper". IUCN Red List of Threatened Species. 2020 e.T60209A3092852. doi:10.2305/IUCN.UK.2020-3.RLTS.T60209A3092852.en. Retrieved 18 November 2021.
  2. Bester, Cathleen. "Roughskin Dogfish". Florida Museum of Natural History. Retrieved 16 April 2023.
  3. "Squalus asper (Merrett, 1973)". Integrated Taxonomic Information System. Retrieved 16 April 2023.
  4. Viana, S. T.; Soares, K. D. A. (2023). "Untangling the systematic dilemma behind the roughskin spurdog Cirrhigaleus asper (Merrett, 1973) (Chondrichthyes: Squaliformes), with phylogeny of Squalidae and a key to Cirrhigaleus species." PLOS ONE. 18 (3): e0282597. doi:10.1371/journal.pone.0282597.