Blackchin

Uniform brown in color, mouth and belly darker (Ref. 6604). Branchiostegal rays: 8 (Ref. 36062). Lacks luminous organs and a gas bladder (Ref. 36062).

Oviparous (Ref. 36062).

Oceanodromous. Migrating within oceans typically between spawning and different feeding areas, as tunas do. Migrations should be cyclical and predictable and cover more than 100 km.

Dorsal spines (total): 0; Dorsal soft rays (total): 11 - 13; Analspines: 0; Analsoft rays: 12 - 14

High-oceanic and bathypelagic (Ref. 6604). Adults usually found below about 1,000 m, but juveniles found between 500-800 m. No evidence of vertical migration (Ref. 6604). Feed mainly on small crustaceans. Sexually mature from about 15.2 cm (Ref. 4525). Oviparous, with planktonic larvae (Ref. 36062).

fisheries: of no interest