Brownback trevally (Carangoides praeustus) is a saltwater species recorded in Hong Kong, Singapore, Malaysia.
Scientific name: Carangoides praeustus · Water: Saltwater
Size: up to 29 cm
The brownback trevally is a carangid whose adults are found in coastal waters. Commonly about 16 cm and up to 29 cm total length. Its fishing vulnerability is only 23 out of 100 and populations recover quickly. Medium priced.
It is told apart by a fully scaled breast and a black-tipped second dorsal fin; the body is silvery blue-grey above and silvery below, sometimes with a broad brassy band along the flank, and the caudal fin is yellowish. The species is split into two populations that do not mix — one from the Persian Gulf east to the Bay of Bengal, the other across South East Asia and Indonesia — and Smith-Vaniz has suggested they may in fact be two separate species. It lives inshore, in bays, estuaries and around rocky and coral reefs, feeding on bottom-dwelling crustaceans and small fish. It is of little commercial importance, mostly turning up as bycatch of hook-and-line fishing or trawls.
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