Frilled shark (Chlamydoselachus anguineus) fish species and information / pictures of Frilled shark - Chlamydoselachus anguineus

Frilled shark (Chlamydoselachus anguineus) fish species information

Scientific Name
Chlamydoselachus anguineus

Common Name
Frilled shark

Biology
An uncommon primitive shark found on outer continental and insular shelves and upper slopes, usually between 120 and 1,280 m but occasionally caught at the surface. Feeds on other sharks, squid and bony fish. Ovoviviparous , litter size ranges from 2 to 10. Not dangerous but teeth are sharp enough to inflict lacerations on the hands of the unwary scientist examining its mouth. Incidental in bottom trawl catches and utilized as fishmeal and as food fish.

Classification

Classified By
Garman, 1884
Class
Sharks and Rays (Elasmobranchii)
Order
Frill and cow sharks (Hexanchiformes)
Family
Frilled sharks (Chlamydoselachidae)

Distribution

Region
Wide-ranging but with patchy distribution. Western Indian Ocean
Distribution
Wide-ranging but with patchy distribution. Western Indian Ocean: off South Africa. Western Pacific: off Japan to New Zealand. Eastern Pacific: southern California, USA to northern Chile. Eastern Atlantic: northern Norway to northern Namibia, possibly the eastern Cape of Good Hope, South Africa. Three specimens have been recorded from the western Atlantic.
Range
74°N - 58°S, 169°W - 180°E

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
0 m
Depth To - meters
1570 m
Zone
bathydemersal
Environment
Marine; bathydemersal; depth range 0 - 1570 m , usually 120 - 1280 m
Trophic Level
4.21 s.e. 0.46 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
200 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 1.0156 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: minor commercial
Vulnerability
Very high vulnerability (82 of 100)
Resilience
Very Low, minimum population doubling time more than 14 years (Fec=2)
Threat To Humans
Traumatogenic (Ref. 247)
IUCN Red List Status
Near Threatened (NT)