Diagnosis: body elongate and slender, its depth comprised 5.4-6.3 times in standard length; head as long as broad, its dorsal surface rough; maxillary barbels non-membranous and unbranched, up to 2 times longer than head; mandibular barbels with long, simple ramifications; humeral process long, slender and pointed; 1st dorsal-fin spine weakly denticulate on anterior margin; 2nd dorsal fin with 10-13 rays; pectoral-fin spines more strongly denticulate on inner than on outer margin; caudal fin deeply forked, its lobes equally long (Ref. 57223).

Coloration: ground colour yellowish or ochre, with brown or blackish marbled areas, largest 2 below 1st and 2nd dorsal fins respectively; fins covered with brown or black dots; 1st dorsal fin with transversally aligned spots (Ref. 57223).