Characterized by pale grey body color with yellowish snout; 2-3 blue stripes on cheek; dorsal fin with yellow filaments; adult male has black throat and mouth; second to fourth dorsal spines produced into prolonged filaments in adult; rhomboid caudal fin; caudal length 2.8-3.4 in SL; longitudinal scale series 76-81; ctenoid body scales except cycloid on abdomen; head or midline of nape without scales; cycloid scales extending forward on side of nape to above middle of operculum in adult; scaled pectoral fin base and prepelvic area; depth of body 4.7-5.1 in SL (Ref. 90102).