Seasonality, Forms, Yields, Shelf Life & Quality Control
Availability & Seasonality
Product Forms & Yields
Shelf Life & Quality Control
Average Weight/Length
Max length : 100.0 cm TL male/unsexed; common length : 70.0 cm TL male/unsexed; max. published weight: 17.9 kg
Other "Popular" Names for this Fish
Black Jack, Gunkan
Location Habitat
An oceanic and insular species, very much restricted to clear oceanic waters. Not commonly found in shallow banks. Sometimes seen near drop-off at outer edge of reefs. Occasionally forming schools. Feed on fishes at night
Summary of Distribution: Circumtropical. Western Indian Ocean: off Natal and East London in South Africa; Reunion, Mauritius and Cargados Carajos; Seychelles. Western Pacific: southern Japan to New Caledonia. Recently reported from Tonga. Western Atlantic: Bermuda and the northern Gulf of Mexico to Brazil. Eastern Atlantic: Azores, Madeira, St. Paul's Rocks, Ascension Island, Cape Verde, and Gulf of Guinea. Eastern Central Pacific: Mexico (including Revillagigedo Islands) to Costa Rica.
Note: Distribution range colors indicate degree of suitability of habitat which can be interpreted as probabilities of occurrence (fishbase.org)