- EnglishName: Yellowhead butterflyfish
- Local Name : Boareendhoo bibee
- Size : Max. 20 cm
- Family: CHAETODONTIDAE
- Order : Perciformes
- Distinctive Characters: Dorsal fin with 14 spines and 23-25 rays. Anal fin with 3 spines and 21-23 rays. Pectoral fin with 15 rays. Body depth 1.6 in standard length. Snout plus upper jaw longer than eye. Dorsal head profile distinctly concave.
- Colour: Body white-grey with about 5 angled lines. Snout, lower head, pelvic fins, anal and dorsal fins yellow.
- Habitat and Biology: Omnivorous species. Usually found solitary or in pairs along the reef slope at depths of 5-25 m.
- Distribution: Indian Ocean.
- Remarks: Chaetodon xanthocephalus is not uncommon in Maldivian reefs. Once acclimated, it does well in aquariums.