Mustelus mustelus (Linnaeus, 1758)
Smooth-hound
Caz√≥n,  Tollo
Mustelus mustelus
photo by Meyer, T.

Family:  Triakidae (Houndsharks), subfamily: Triakinae
Max. size:  200 cm TL (male/unsexed); max. reported age: 24 years
Environment:  demersal; depth range 5 - 624 m
Distribution:  Eastern Atlantic: UK to the Mediterranean, Morocco and Canary Islands; possibly Azores, Madeira, Angola to South Africa; including Indian Ocean coast. Often referred to as Mustelus canis which is restricted to the western Atlantic.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 0-0; Anal spines: 0-0; Anal soft rays: 0-0. A large, plain or black-spotted smoothhound (Ref. 5578). Uniformly grey or greyish-brown above, white below (Ref. 5578).
Biology:  Found on the continental shelves and uppermost slopes, from the intertidal region to at least 350 m depth (Ref. 244). Collected to depth of 624 m in the eastern Ionian Sea (Ref. 56504). Sometimes in midwater but prefers to swim near the bottom (Ref. 244). Feeds mainly on crustaceans, but also cephalopods and bony fishes (Ref. 244). Viviparous, with a yolk-sac placenta (Ref. 244). Taken by shore and ski-boat anglers (Ref. 5578). Utilized for human consumption, oil, and fishmeal (Ref. 244). Sexual maturity is reached at a length of 70-80 cm (Ref. 35388).
IUCN Red List Status: Vulnerable(A2bd+3bd+4bd) (Ref. 115185)
Threat to humans:  harmless
Country info:  Reported from 2-200 m depth. Also Ref. 244.

Entered by: Carpenter, Kent E. - 15.06.92
Modified by: Kesner-Reyes, Kathleen - 11.05.06
Checked by: Luna, Susan M. - 28.03.94

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