This species is distinguished by the following characters: cephalic sensory-canal pore system lacks the IT pore (pattern 2); unbranched pectoral-fin rays; dorsal/anal-fin formula is 8/7; fifth pelvic-fin ray 40% of fourth ray; abdomen without the black peritoneum clearly visible externally; upper portion of pectoral-fin base with a dark spot when dead, and which is lacking or less visible in life; when alive. there is a distinctive red line running from the tip of the lower jaw back under the eye across the cheek (Ref. 107299).

Description: Body translucent grey color; presence of red mid-lateral body stripe; upper head with white stripes; interrupted white stripe on back; lower anterior body with two rows of white spots; first five dorsal spines frequently prolonged in male; all pectoral rays unbranched; longitudinal scale series 21-23; ctenoid scales, absent on head, nape and base of pectoral fin; separated pelvic fins, thin membrane joining bases; 4-5 branches on fourth pelvic ray; depth of body 3.9-4.8 in SL (Ref. 90102).