Distinctive Characters: Dorsal fin with 10 spines and 10-11 rays. Anal fin with 3 spines and 8 rays. Pectoral fin with 15-16 rays. Gill rakers on the lower limb (including rudiments) 16-18. Body relatively elongate and compressed. Dorsal fin continuous and not incised at junction of spiny and soft portions. Last ray of dorsal and anal fins prolonged. Caudal fin deeply forked.
Colour: Blue-grey, tending to purplish above and silvery below. Operculum and preopercle edged with black. Caudal fin dusky, others pale. Variable yellow stripe sometimes seen on forehead.
Habitat and Biology: Inhabits coral and rocky reefs at depths between 6 and 70 m. It is solitary roving predator, which feeds principally on small coral-reef fishes, but also eats crustaceans.
Remarks: There are two species of Aphareus, both of which occur in the Maldives. They can be easily separated on the basis of colour and size.