Greeneye spurdog (Squalus chloroculus) fish species and information / pictures of Greeneye spurdog - Squalus chloroculus

Greeneye spurdog (Squalus chloroculus) fish species information

Scientific Name
Squalus chloroculus

Common Name
Greeneye spurdog

Biology
This species of the ?mitsukurii group? is large and is distinguished by the following set of characters: body moderately robust, trunk depth 10.4-13.8% TL (mean 11.7% TL, n=9); snout is broadly triangular, with mouth width 1.72-2.48 (2.07) times the horizontal prenarial length; pre-first dorsal length 29.2-31.8 (30.2)% TL; pre-second dorsal length 60.7-63.6 (61.7)% TL; interdorsal space 23.7-27.5 (24.9)% TL; low raked dorsal fins; second dorsal-fin length 10.9-12.2 (11.6)% TL, height 3.4-4.0 (3.7)% TL, inner margin length 3.9-5.0 (4.4)% TL; second dorsal-fin base 15.1-20.0 (17.2) times the base of second dorsal spine; pre-pectoral length 21.1-24.3 (22.2)% TL; pelvic-caudal space 21.8-25.0 (23.5)% TL; caudal bar is almost upright, extending broadly from the caudal fork up the poster or margin of the upper lobe for 0.6-0.7 of its length in immature individuals, upper caudal fringe forming a narrow saddle along midlength of lobe; flank denticles tricuspid; monospondylous centra 43-46, pr

Classification

Classified By
Last, White & Motomura, 2007
Class
Sharks and Rays (Elasmobranchii)
Order
Bramble, Sleeper and Dogfish sharks (Squaliformes)
Family
Dogfish sharks (Squalidae)

Distribution

Region
Western Pacific
Distribution
Western Pacific: Australia.
Range
Unknown

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
213 m
Depth To - meters
1360 m
Zone
bathydemersal
Environment
Marine; bathydemersal; depth range 213 - 1360 m (Ref. 58441)
Trophic Level
4.34 s.e. 0.65 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
85.6 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
High vulnerability (61 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Near Threatened (NT)