Many of the trevallies and jacks are difficult to tell apart, but Carangoides plagiotaenia is distinctive due to its elongated shape and the black cheek bar.
Details
§ 01
size
Max. 42 cm
color
Silvery; grayish above, paler below. Posterior margin of preopercle black in adults. Leading edge of pelvic fin and distal margin of anal fin with a narrow white border.
The first dorsal fin has 8 spines, the second dorsal fin has 1 spine and 22-24 rays, the anal fin has 2 detached spines followed by 1 spine and 18-20 rays, and the gill rakers on the first gill arch including the rudiments are 27-40. The breast is completely scaled, adults have a lower jaw that is somewhat enlarged and projects beyond the upper jaw, and the posterior part of the lateral line has 11-18 relatively small scutes.