Body ellipsoid and compressed. First dorsal triangle. Second dorsal fin long and elevated anteriorly. Caudal fin deeply forked. Anal fin with two detached spines followed by a single spine attached by a membrane to soft rays, some of which is elevated anteriorly. Last dorsal and anal fin rays elongated. Lateral line has a series of scutes (enlarged and thickened scales) arched anteriorly and straightens under the first to third dorsal rays. Small comb-like teeth in a single continuous row. Well-developed eyelid covers the posterior portion of the eye.color :
back grey with white belly. Caudal fin and the posterior part of lateral line yellow. A distinct black spot on the upper margin of operculum.
common 10-20 cm (max.30 cm).
Lichia amia, Nancrates ductor and Seriola dumerili: no scutes on lateral line.
Trachurus spp.: enlarged scutes throughout the flank.
Caranx spp. and Pseudocaranx dentex: scutes present only in posterior of flank.
Teraponidae, Haemulidae, Sparidae, Siganidae and Serranidae: a single dorsal fin.
Scombridae: presence of finlets.
BIOLOGY / ECOLOGY
Schooling fish, often occupies turbid waters. In the Mediterranean feeds mainly on fishes; elsewhere, reported to feed on planktonic crustaceans.