This species is distinguished by the following characters: mandibular teeth in the functional row 18; oral disc robust, its length equal to its width and covered in papillae; barbels in three pairs, the maxillary barbel originating from posterolateral region of disc, unbranched, moderate in length, 7% of SL, the lateral and medial mandibular barbels moderate, incorporated into lower lip and positioned on both sides of midline cleft on posterior margin of oral disc, and the lateral barbel 5% of SL, less than twice length of the medial barbel; long dorsal spine, its length 12.8% SL (Ref. 131384).