Maxillary barbels shorter than head, unbranched and without tubercles, but with a very broad, light basal membrane extending over their entire length; outer mandibular barbels with numerous and subdivided ramifications; branches of inner mandibular barbels also subdivided, and tuberculate (Ref. 57223). Mandibular teeth moderately developed, numbering 24-29 (Ref. 57223). Denticulations of pectoral-fin spine weak on outer margin, stronger on inner margin; dorsal-fin spine smooth on anterior margin, except for some apical serrations (Ref. 57223). Humeral process deep, triangular, slightly granulose and weakly keeled ventrally (Ref. 57223). Adipose fin long, low and close to rayed dorsal fin (Ref. 57223).Colour: Greenish or yellowish, darker on back and lighter on belly; outer margins of caudal-fin lobes dark-edged (Ref. 57223). Juveniles have the same colouration as adults (Ref. 57223).