soft rays: 12 - 13. This fish is deeper-bodied than C. atripes and lacks the dark spot on the pectoral-fin base found in C. agilis (it has a yellow bar instead). The tips of the caudal fin-lobes ending two filaments. The upper and lower edge of the caudal fin is dark brown. Juveniles have more blue around the eyes and the margins of the dorsal and anal fins, as well as elongate outermost caudal rays (Ref. 1602).