 In young adults, the lobe of the second dorsal fin is often falcate, but usually shorter than the head length.The anal fin has two anteriorly detached spines followed by a single spine attached to 21 to 26 soft rays, while the pelvic fin has one spine attached to 20 or 21 soft rays.The lateral line has a gentle anterior arch, with the junction of the curved and straight sections vertically below the 15th to 20th soft rays of the second dorsal fin.