Australian grey smooth-hound (Mustelus ravidus) fish species and information / pictures of Australian grey smooth-hound - Mustelus ravidus

Australian grey smooth-hound (Mustelus ravidus) fish species information

Scientific Name
Mustelus ravidus

Common Name
Australian grey smooth-hound

Biology
This species is moderately-sized with the following set of characters: high preanal length to anal-caudal space (9.6-10.5), to dorsal-caudal space (6.1-6.8) ratios; dorsal fins are large, slightly raked back, base length of first dorsal fin (0.8-1) times anal-caudal space; claspers of adult males are relatively long with outer length about 10% TL, terminating only slightly short of anal fin origin; teeth in about 77/73 rows, exposed to a greater extent around symphysis of lower jaw when mouth closed; 90-91 precaudal vertebral centra; 35-37 monospondylous centra; narrow white tip and thin pale margin on first dorsal fin, distinct dusky tip on second dorsal fin and distinct black tip on terminal caudal lobe (Ref. 72460).

Classification

Classified By
White & Last, 2006
Class
Sharks and Rays (Elasmobranchii)
Order
Ground sharks (Carcharhiniformes)
Family
Houndsharks (Triakidae)

Distribution

Region
Eastern Indian Ocean
Distribution
Eastern Indian Ocean: Australia.
Range
Tropical, 116°E - 119°E

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
106 m
Depth To - meters
300 m
Zone
benthopelagic
Environment
Marine; benthopelagic; depth range 106 - 300 m (Ref. 72460)
Trophic Level
3.61 s.e. 0.51 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
68.3 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
Moderate vulnerability (38 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Least Concern (LC)