Jack

Size / Weight / Age
Max length : 122 cm TL male/unsexed; (Ref. 4887); common length : 40.0 cm TL male/unsexed; (Ref. 9258); max. published weight: 18.1 kg (Ref. 4887); max. reported age: 49 years (Ref. 31614)
Length at first maturity
Lm ?, range 28 - 37 cm

Environment
Marine; brackish; reef-associated; depth range 10 - 238 m (Ref. 58302), usually 10 - 25 m (Ref. 5288)

Climate / Range
Tropical; 40°N - 47°S
Distribution

Western Atlantic: North Carolina, USA and Bermuda to southern Brazil. Eastern Atlantic: Mediterranean, Azores, Madeira, the Canary Islands, Cape Verde, Ascension and St. Helena Island. Indo-Pacific: South Africa, Japan, Hawaii (Ref. 26145), Australia, Lord Howe and Norfolk islands, New Zealand. Reported from New Caledonia (Ref. 9070).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 9; Dorsal soft rays (total): 25-26; Anal spines: 3; Anal soft rays: 21 - 22; Vertebrae: 25. Greenish blue above, silvery white below; midside of body with yellow stripe; opercle with black spot (Ref. 3197). LL with 20-26 scutes (Ref. 6390). With maxilla the rear edge sloping slightly forward to its main axis, a large, diffuse dark blotch on the operculum, and a lateral line with 57-78 scales in the curved portion and 34-46 posterior scutes