Author: (McCulloch, 1915)
Field Marks:
Extremely long snout, no anal fin, grooved dorsal fin spines, compressed cutting teeth in both jaws, moderately large, pitchfork-shaped denticles, no subeaudal keel on underside of caudal peduncle, first dorsal fin short and high.
Diagnostic Features:
First dorsal fin short and high, origin over inner margins of pectoral fins; distance from origin of first dorsal spine to first dorsal rear tip much less than distance from free rear tip to second dorsal spine. No subsaudal keel on underside of caudal peduncle. Denticles moderately large, crown length about 75 mm long. Colour dark brown. Maximum size about 114 cm.
Geographical Distribution:
Eastern South Atlantic and western Indian Ocean: Namibia, South Africa, southern Mozambique. Western Pacific: Australia (South Australia, Victoria, New South Wales).
Habitat and Biology:
A little-known deepwater dogfish of the outer continental shelves and upper slopes at 150 to 732 m depth. Eats bony fishes.
Size:
Maximum total length about 114 cm, adult female 110 cm.
Interest to Fisheries: None.
Type material:
Holotype: ? Number, 683 mm male. Type Locality: South of Gabo Island, Victoria, Australia.