This species is distinguished by the following set of characters: mouth small, posterior end of gape vertical to near anterior nostril; gill membranes are united ventrally and attached to isthmus by soft tissue; sphenotic has vertically oblong crescent-shaped protrusion from behind the eye to postero-inferior region of orbit; pelvic fin stiff, relatively short, with the tip extending to point anywhere between base and anterior half of pectoral fin; wide pelvic bone (Ref. 127986).