Head scales reaching to between anterior margin of eyes and posterior nostrils. Lower limb of preopercle naked. Antrorse (forward-directed) suborbital spine absent. Pelvic fins long, reaching to or just beyond level of anus. Upper lobe of caudal fin slightly longer than lower lobe in larger specimens. Axillary scale present. Color: Upper body blue or olive green, white below. A yellow stripe from top of snout, through upper part of eye and arching on back to upper part of caudal peduncle. A narrow yellow stripe from top of head running along base of dorsal fin, this stripe disappearing with age. Juveniles blue on upper half of body, white below.