Mustelus griseus Pietschmann, 1908
Spotless smooth-hound
Mustelus griseus
photo by CAFS

Family:  Triakidae (Houndsharks), subfamily: Triakinae
Max. size:  87 cm TL (male/unsexed); 101 cm TL (female); max. reported age: 9 years
Environment:  demersal; marine; depth range 5 - 300 m
Distribution:  Northwest Pacific: Japan, Korea, China, Taiwan, and Viet Nam (Ref. 244). Possibly occurring in the Philippines (Ref. 13563).
Diagnosis:   
Biology:  An inshore bottom-dwelling shark found down to at least 51 m (Ref. 244); also dwells in semi-enclosed sea areas with sand bottom (Ref. 11230). Probably feeds on benthic invertebrates, especially crustaceans (Ref. 13563). Viviparous, with a yolk-sac placenta (Ref. 244).
IUCN Red List Status: Endangered (EN); Date assessed: 29 August 2019 (A2d) Ref. (130435)
Threat to humans:  harmless


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