Cá Bè Hải Nam

Body elongate-oval to oval, moderately to strongly compressed; snout pointed. Soft dorsal and soft anal fins low with falcate anterior lobes, posterior rays of both fins consisting of semi-detached fin lets; pectoral fins short, not falcate; pelvic fins short, depressible into shallow abdominal groove. Upper jaw with an outer row of enlarged conical teeth and inner row of viliform teeth; dentary with inner row of large and outer row of small teeth; dentary also with 1 or 2 pairs of symphyseal canines in juveniles, becoming less distinct with age; viliform teeth on vomer, palatines and pterygoids. Soft dorsal, fin dusky green, uniformly pigmented; rakers short and stout; 4 - 8 large, vertically elongate blotches above, or interesting with, lateral line; maxilla long, extends to slightly beyond posterior margin of eye; scales lanceolate. Silvery blue to blue green above in color; silvery white below; lateral blotches dark grey to black; 12 soft anal and caudal fins dusky green, uniformly pigmented.