Blue Trevally

Description: Brassy to greenish blue dorsally, shading to silvery on sides, adult with 6-7 faint grey bars on dorsal half and several relatively large elliptical yellow spots (often with dusky centers) on middle of side. Body oblong and compressed, dorsal profile more convex than ventral profile. Breast scaleless ventrally to origin of pelvic fins. LL scutes 19-31. Snout usually slightly angular (Ref. 90102). Large individuals develop a terminal snout and elongate points on the soft dorsal and anal fins (Ref. 37816).

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): 9; Dorsal soft rays (total): 28 - 31; Analspines: 3; Analsoft rays: 24 - 26

Occurs in inshore waters of the continental shelf (Ref. 7300). Abundant around oceanic islands while not found in neritic areas (Ref. 9283). May be encountered in solitary, pairs or small schools. Schools frequent sandy river basins, sandy channels of lagoon and seaward reefs. Feeds on small crustaceans in the sand (Ref. 9283). Feeds on fish and zooplankton (Ref. 4887).

Adults are pelagic and are abundant around oceanic islands while not found in neritic areas (Ref. 9283, 58302). May be encountered in solitary, pairs or small schools. Schools frequent sandy river basins, sandy channels of lagoon and seaward reefs. Feed on small crustaceans in the sand (Ref. 9283). Marketed fresh and dried or salted (Ref. 9283).

fisheries: commercial; gamefish: yes