This species is distinguished from its congeners in the long-barbeled plunderfish in the mentella group by the following set of characters: long mental barbel (68.0-70.0% of HL), sarment-shaped with a thin terminal expansion (esca width 5.9-8.1% of barbel length) composed of rows of short and flattened incubous processes; large number of anterior teeth in the lower jaw near symphysis (19-30 left, 21-31 right) arranged in two or more rows; seismosensory system canals on the top of the head have very small pores; weakly developed internasal organ. Colour of peritoneum light, almost white, with rare pigmental macules (Ref. 95071).