This species is distinguished by the following characters: adipose fin is confluent with the emarginate caudal fin; pectoral fin extending to the vicinity of dorsal-fin origin; pelvic fin reaching anus, gill opening extending to the ventral surface of the body, nasal barbels reaching or surpassing anterior edge of eye; maxillary barbels just reaching or slightly surpassing pectoral-fin origin, branched pectoral-fin rays 9-11; abdominal vertebrae 23-25; snout length 39.7%-53.3% HL; length of dorsal-fin base 8.3%-12.1% SL, length of anal fin 13.1%-15.8% SL, length of adipose-fin base 31.7%-45.2% SL; caudal-peduncle length 18.8%-22.3% SL, caudal-peduncle depth 7.3%-10.8% SL, body depth at anus 1.3%-16.9% SL; nterorbital width 27.5%-35.1% HL, length of dorsal fin/dorsal to adipose distance 90.3%-287.0%, anal to caudal distance/pelvic to anal distance 88.2%-116.7% (Ref. 118107).