Males have dark lower head and are abruptly dark posterior, occasionally with alternating broad dark and light bands (Ref. 37816 ). Adults are identified by the greenish tail and the color usually extends well onto the body (Ref. 48636). Mature males with two broad, black bands below third dorsal fin base and caudal peduncle, two bands joined ventrally; posterior half of anal fin black in mature males; caudal fin base white; pectoral and pelvic fins and body orange in mature males (Ref. 76833).