Mustelus ravidus White & Last, 2006
Australian grey smooth-hound
photo by Gloerfelt-Tarp, T.

Family:  Triakidae (Houndsharks), subfamily: Triakinae
Max. size:  68.3 cm TL (male/unsexed); 78.8 cm TL (female)
Environment:  benthopelagic; marine; depth range 106 - 300 m
Distribution:  Eastern Indian Ocean: Western Australia.
Diagnosis:  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).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 02 August 2018 Ref. (124695)
Threat to humans:  harmless
Country info:   
 

Entered by: Torres, Armi G. - 25.01.08
Modified by: Capuli, Estelita Emily - 06.06.08

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