Distinctive Characters: Dorsal fin with 10 spines and 11 rays. Anal with 3 spines and 8 rays. Pectoral fin with 16-18 rays. Elongate and fusiform body. A distinct groove in front of eye. Maxillary almost reaching to below front border of eye. Preoperculum not serrated. Pectoral fin short, about equal to snout length, and rounded. Cheek scaled. Caudal fin deeply forked with pointed lobes.
Colour: Body dark green to blue above, paler grey below. A series of dark blotches between posterior dorsal spines and anterior dorsal rays.
Habitat and Biology: Inhabits inshore reef areas from 3 m down to a depth of 150 m. Solitary or in small schools. Feeds mainly on fishes, but also on crustaceans and cephalopods.
Distribution: Tropical Indo-Pacific.
-Remarks: Aprion virescens is a free swimming carnivorous fish and difficult to approach underwater. It is a very common species in the Maldives, caught mainly by handline and trolled lures. Its flesh makes excellent eating. A crustacean isopod parasite is often found in its nostrils.