Found on the upper slope, on or near the bottom . Length recorded is from an immature specimen; size of adults unknown . Ovoviviparous .
Dorsal spines (total): 2; Anal spines: 0. A slim lanternshark with 2 longitudinal rows of greatly enlarged, hooked denticles along the flanks; other denticles small, conical and not arranged in lines . Grayish black above, underside black with an elongated broad black mark above, in front of and behind the pelvic fins; other elongated black marks at base and along axis of caudal fin .: elongated.
Behavioural data for Thorny lanternshark is currently being reviewed.
Distinct pairing with embrace .
Marine; bathydemersal; depth range 200 - 500 m . Deep-water; 0°S - 31°S, 30°E - 51°E South Africa, including Madagascar (Ref.
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