Chaetodon xanthocephalus, The Gold Rim Butterflyfish or the Yellowhead butterflyfish has a pearly white body with a golden-yellow band of colour on the head, along the dorsal and ventral parts of the body and on the fins. The white is broken by grayish blue chevrons. It has a short black vertical bar running through the eyes and a thin yellow line on the rear of the operculum. The orange dorsal and anal fins have light blackmarks on their lower rear parts and yellow margins. The caudal fin is light grey also edged in yellow. The dorsal fin contains 13-14 spines and 21-26 soft rays while the anal fin has 3 spines and 21-23 soft rays. The yellowhead butterflyfish attains a maximum total length of 20 centimetres (7.9 in).