Species: Chaetodon lunula, Halfmoon butterflyfish, Raccoon butterflyfish

Body and fins bright yellow, shading to brown on upper back; a black bar from forehead through eye, with white bar immediately behind; an oblique black bar angled from upper edge of opercle to back of spiny dorsal; thin oblique brown lines on lower body; a black bar from soft dorsal onto tail base. Juvenile: yellow-brown body and fins except caudal transparent, with a dark bar near its base; head with yellow snout, a black bar through eye, a broad white bar behind that; a black blotch on body above pectoral fin; a black bar across end of tail base; a large round black spot ringed with yellow or white at end of dorsal fin.