About This Fish

Silver Trevally


The silver trevally (Pseudocarans dentex) is a ray finned fish which is also known as skippy, trevally, White trevally or striped jack. It belongs to the family Carangidae under order Perciformes of class Actinopterygii. It is widespread in tropical and warm temperate areas in the Atlantic, Mediterranean, Indian and Pacific Oceans. The juvenile usually inhabits estuaries, bays and shallow continental shelf waters while adult forms schools near the sea bed on the continental shelf.



The silver trevally’s body is elongated, fusiform to deep and strongly compressed. Body is pale greenish-blue above and silvery white below. A yellow mid lateral stripe is present which expands posteriorly. Head is moderate with terminal mouth and large eyes. Fins are dusky yellow and a black spot is present on postero-dorsal margin of opercle. Sometimes a yellowish color may be seen on the sides towards the tail area. Adipose eyelid is weakly developed. Spinous dorsal fin is high and longest spine is longer than length of soft dorsal fin lobe. Dorsal fin has 9 spines and 25-26 soft rays while anal fin contains 3 spines and 21-22 soft rays. Caudal fin is strongly forked with slender peduncle. Lateral line is single and complete, of which, straight lateral line portion contains 6-15 anterior scales and 20-32 scutes while curved portion contains 57-78 scales. It is a bottom feeder fish which mainly feeds on benthic invertebrates. It is a serial spawner which spawns in summer. It grows up to 120 cm in length and 10 kg in weight.


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