Bluish body, pale ventrally; caudal lobe tips, axil and upper base of pectoral fin black. Juveniles with yellow tails and black tips. 4-5 scales on cheek; 18-25 predorsal scales; scaled dorsal and anal fins. Upper peduncular scale rows usually 10 or 11 (9-13); lower peduncular scale rows usually 14 or 15 (13-15). Supra-temporal band of scales interrupted by a thin scaleless zone at dorsal midline. basioccipital process for attachment of Baudelot's ligament absent. Post maxillary process single; posterior end of maxilla blunt (Ref. 1723). Head length 2.6-3.5 in SL; body depth 2.5-3.5 in SL (Ref. 90102).