This species is characterized by the following features: D XI, 9; A III, 9; pectoral rays 15; lateral line scales 17 + 6; median predorsal scales 5; horizontal scale rows on cheek below eye 2; gill rakers 13; body depth 3.1 in SL; head length 2.9 in SL; snout length 3.9 in head; males with lunate caudal fin with produced lobes; pelvic fins relatively short, not reaching anal fin origin when depressed; color when alive, males with a dusky brown overall coloration, bronze hue on breast and belly, dark brown median and pelvic fins with broad white posterior margins on dorsal and caudal fins, dorsal and ventral edges of caudal fin with prominent brown margins that taper to a point posteriorly (Ref. 75880).