Dorsal spines (total): 0; Dorsal soft rays (total): 9 - 10; Anal spines: 0; Anal soft rays: 12 - 13. Dorsal blade present and well developed in front of dorsal fin (Ref. 27363). Deep body (Ref. 37473).
Eastern Atlantic: Portugal to South Africa; northern record from south Iceland (Ref. 4739). Western Atlantic: 40°N-40°S, including the Gulf of Mexico (Ref. 27768). One record from the Patagonian region of Argentina (Ref. 27363). Indian Ocean: 0°- 40°S. Eastern Pacific: 15°S-40°S. Western Pacific: 20°N-40°S.
Biology
An oceanic and mesopelagic species (Ref. 4739). No indication of diel migration (Ref. 4739). Adult complement of photophores acquired at about 1.4 cm SL (Ref. 4739).