D1 15; D2 absent; P1 13 P2 8; A 19. Color blue green above, sides silvery and tips of caudal fin dark black. Body fusiform, slightly compressed; belly strongly keeled with scutes. Dorsal fin origin slightly before midpoint of body; anal base slightly longer than dorsal base, its origin slightly nearer to caudal than to pelvic origin; pelvic fin origin below anterior half of dorsal fin; caudal forked; scales cycloid; pre-dorsal scales paired and overlapping.