Dumb gulper shark (Centrophorus harrissoni) fish species and information / pictures of Dumb gulper shark - Centrophorus harrissoni

Dumb gulper shark (Centrophorus harrissoni) fish species information

Scientific Name
Centrophorus harrissoni

Common Name
Dumb gulper shark

Biology
A moderate-sized species distinguished by the following set of adult characters: length of pre-second dorsal 61.9-63.2% TL, 6.6-8.4 times the dorsal-caudal space; length of pre-first dorsal 30.4-32.0% TL; interdorsal space 18.2-20.6% TL, 2.2-2.6 times dorsal-caudal space; dorsal-caudal space 7.5-9.4% TL, 3.2-4.0 in pectoral-pelvic space; long and robust head, its length 22.4-24.6% TL, 2.7-3.0 times mouth width, its width 13.2-14.0% TL, 4.5-4.8 in pre-second dorsal length; width at anterior of nostrils 7.7-7.9% TL; long snout, its preoral length 11.4-12.4% TL, 2.0-2.2 times head height at anterior of mouth, 1.3-1.5 times mouth width, the horizontal preorbital length 7.1-8.2% TL, the horizontal prenarial length 4.4-5.4% TL; large mouth, its width 7.8-8.5% TL; moderately large pectoral fin, its anterior margin 11.9-12.4% TL, 2.3-2.4 times base length; large caudal fin, the dorsal caudal margin 19.1-19.5% TL; 2.1-2.5 times dorsal-caudal space; moderately large and tall first dorsal fin, i

Classification

Classified By
McCulloch, 1915
Class
Sharks and Rays (Elasmobranchii)
Order
Bramble, Sleeper and Dogfish sharks (Squaliformes)
Family
Gulper sharks (Centrophoridae)

Distribution

Region
Eastern Indian Ocean
Distribution
Eastern Indian Ocean: possibly restricted to Australia (Western Australia and Tasmania, including New South Wales). Record from Taiwan uncertain. This species is very close to Centrophorus uyato and may be a junior synonym of that species (Ref. 247).
Range
26°S - 43°S, 111°E - 155°E

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
250 m
Depth To - meters
790 m
Zone
bathydemersal
Environment
Marine; bathydemersal; depth range 250 - 790 m (Ref. 6871)
Trophic Level
4.15 s.e. 0.66 Based on size and trophs of closest relatives
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
111 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5001 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 (71 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be
Threat To Humans
  Harmless
IUCN Red List Status
  Critically Endangered (CR) (A2bd+3d+4bd)