Scymnodon macracanthus (Regan, 1906)
Largespine velvet dogfish
Scymnodon macracanthus
photo by Duffy, C.

Family:  Somniosidae (Sleeper sharks)
Max. size:  68 cm TL (male/unsexed)
Environment:  bathydemersal; marine; depth range 650 - 920 m
Distribution:  Southeast Pacific: Straits of Magellan. Southwest Pacific: New Zealand (Ref. 26346). Southwest Atlantic: Argentina (Ref. 58839).
Diagnosis:  Dorsal spines (total): 2-2; Anal spines: 0-0; Anal soft rays: 0-0. Dark brown or blackish in color, dorsal fins with fairly prominent fin spines, moderately long snout, lanceolate upper teeth and bladelike lower teeth with short, oblique cusps, stocky body that tapers abruptly from pectoral region, and moderately large tricuspidate and tricarinate lateral trunk denticles (Ref. 247).
Biology:  A rare species inhabiting lower continental slopes (Ref. 26346). Ovoviviparous (Ref. 205).
IUCN Red List Status: Data deficient (DD); Date assessed: 04 July 2017 Ref. (124695)
Threat to humans:  harmless
Country info:   
 

Entered by: Carpenter, Kent E. - 15.06.92
Modified by: Bailly, Nicolas - 18.01.22
Checked by: Bailly, Nicolas - 18.01.22

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