Ctenochaetus flavicauda, M
Known from south-eastern Pacific and a variation in the south-western Pacific. Previously included with Ctenochaetus strigosus. Small juveniles are yellow but usually change to a dark colour at about 45mm length. It has spots on the head and lines along the body, similar to C.sp 1, but the eye is shaded with yellow along the back. Mouth has bluish lip. The caudal fin of the adult is white in the eastern region of south Pacific, but as a continuation of the body colouration in the western region.