Portuguese dogfish (Centroscymnus coelolepis) fish species and information / pictures of Portuguese dogfish - Centroscymnus coelolepis

Portuguese dogfish (Centroscymnus coelolepis) fish species information

Scientific Name
Centroscymnus coelolepis

Common Name
Portuguese dogfish

Biology
Found on continental slopes and abyssal plains (Ref. 6871). Feeds mainly on fish (including sharks) and cephalopods (Ref. 6871), also gastropods and cetacean meat (Ref. 5578). Ovoviviparous (Ref. 205), with 13 to 29 young per litter, born at 27-31 cm (Ref. 26346). Utilized as fishmeal, dried and salted for human consumption, or as a source of squalene (Ref. 6871).

Classification

Classified By
Barbosa du Bocage & de Brito Capello, 1864
Class
Sharks and Rays (Elasmobranchii)
Order
Bramble, Sleeper and Dogfish sharks (Squaliformes)
Family
Sleeper sharks (Somniosidae)

Distribution

Region
Western Atlantic
Distribution
Western Atlantic: Grand Banks to Delaware, USA; Cuba (Ref. 26340). Eastern Atlantic: Iceland south along Atlantic slope to the southwestern Cape coast of South Africa; also western Mediterranean. Western Pacific: off Japan, New Zealand, and Australia (Ref. 6871, 31367). Western Indian Ocean: Seychelles (Ref. 76802).
Range
65°N - 55°S, 77°W - 180°E

Environment

Climate
Deep-water
Water Temperature From
5 °C
Water Temperature To
13 °C
Depth From - meters
150 m
Depth To - meters
3700 m
Zone
bathydemersal
Environment
Marine; bathydemersal; depth range 150 - 3700 m (Ref. 55584), usually 400 - 2000 m (Ref. 35388)
Trophic Level
4.35 s.e. 0.42 Based on diet studies.
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
92.0 cm
Phylogenetic Diversity Index
PD50 = 0.5156 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: minor commercial
Vulnerability
High vulnerability (63 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (Fec=13-29)
Threat To Humans
  Harmless
IUCN Red List Status
  Near Threatened (NT)