Caranx ignobilis (Forsskål, 1775)
English Name : Giant trevally
Family : CARANGIDAE
Local Name : Muda handhi
Order : Perciformes
Size : Common to 80 cm; max. 1.7 m
Distinctive Characters: First dorsal fin with 8 spines, second dorsal fin with 1 spine and 18-21 rays. Anal fin with 2 detached spines, followed by 1 spine and 15-17 rays. Gill rakers on first gill arch including the rudiments, 20-24. Body depth 2.7-3.8 in fork length. Strong scutes, breast naked ventrally, typically with a small patch of prepelvic scales.
Colour: Adults mainly silvery grey to black above, usually paler below. No dark spot at upper end of opercle. Fins usually uniformly pigmented grey to black.
Habitat and Biology: Abundant in all marine habitats to a depth of 80 m. Ubiquitous, but prefers hard bottoms. Forms loose schools. Feeds mainly on fish, but also on cuttle fish, squids and crustaceans.
Distribution: Widespread in Indo-West Pacific.
Remarks: Caranx ignobilis is the largest of the trevallies or jacks and although small specimens may be confused with other species (e.g. C. lugubris), large specimens are unmistakable.