Deania quadrispinosa (McCulloch, 1915)
Longsnout dogfish
Deania quadrispinosa
photo by FAO

 Family:  Centrophoridae (Gulper sharks)
 Max. size:  115 cm TL (male/unsexed)
 Environment:  bathydemersal; depth range 150 - 1360 m
 Distribution:  Southeast Atlantic: off Namibia and off Algoa Bay, South Africa. Indo-West Pacific: off southern Mozambique and Natal, South Africa; Australia and New Zealand (Ref. 6871).
 Diagnosis:  Dorsal spines (total): 2-2; Dorsal soft rays (total): 0-0; Anal spines: 0-0; Anal soft rays: 0-0. Extremely long snout, grooved dorsal fin spines, compressed cutting teeth in both jaws, moderately large, pitchfork-shaped denticles, no subcaudal keel on underside of caudal peduncle, first dorsal fin short and high (Ref. 247). Dark brown, grey, or black in color; juveniles with a dark blotch on each dorsal fin (Ref. 26346).
 Biology:  A rare (Ref. 26346) and little-known species found on outer continental shelves and upper slopes (Ref. 247). Feeds on bony fishes (Ref. 247). Ovoviviparous (Ref. 50449).
 IUCN Red List Status: Near Threatened  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Carpenter, Kent E. - 15.06.92
 Modified by: Bailly, Nicolas - 14.05.10
 Checked by: Garilao, Cristina V. - 20.11.95

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