This species is distinguished by the following characters: absence of cephalic sensory-canal pores, dark occipital spot, dark spot at preural centrum, nor narrow dark lines under eye; fifth pelvic-fin ray 20% or less of fourth ray; dorsal/anal-fin formula 8/8; urogenital papillae fimbriate in males and females; dark pigment spots on pectoral-fin base, dorsally and ventrally, but not crossing center of base (Ref. 107299).