Roughskin spurdog (Cirrhigaleus asper) fish species and information / pictures of Roughskin spurdog - Cirrhigaleus asper

Roughskin spurdog (Cirrhigaleus asper) fish species information

Scientific Name
Cirrhigaleus asper

Common Name
Roughskin spurdog

Biology
Dorsal spines (total): 2; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0. A heavy-bodied dogfish with a blunt, rounded snout, large denticles and noticeably rough skin; body without spots; 1st dorsal fin spine behind pectoral fins (Ref. 5578). Dark grey or brown above, lighter below; white edges on fins (Ref. 5578); juveniles brown (Ref. 6577).

Classification

Classified By
Merrett, 1973
Class
Sharks and Rays (Elasmobranchii)
Order
Bramble, Sleeper and Dogfish sharks (Squaliformes)
Family
Dogfish sharks (Squalidae)

Distribution

Region
Western Atlantic
Distribution
Western Atlantic: North Carolina to the Florida Keys (Ref. 3814) and the northern Gulf of Mexico. Western Indian Ocean: southern Mozambique to South Africa; also Reunion, Comoros, and the Aldabra islands (Ref. 33390). Eastern Central Pacific: Hawaiian Islands.
Range
35°N - 35°S, 171°W - 51°E

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
200 m
Depth To - meters
650 m
Zone
bathydemersal
Environment
Marine; bathydemersal; depth range 200 - 650 m (Ref. 55584)
Trophic Level
4.5 s.e. 0.62 Based on food items.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
120 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: of no interest
Vulnerability
High to very high vulnerability (72 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (Fec=21-22)
Threat To Humans
  Harmless
IUCN Red List Status
  Data deficient (DD)