Atoll butterflyfish
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Perciformes
- family: Chaetodontidae
- genus: Chaetodon
- species: Chaetodon mertensii
Agana Heights Village
Agana Heights
Merizo Village
Merizo
Umatac Village
Umatac
Guam
Apia
Tuamasaga
Samoa
Lata
Temotu
Solomon Islands
Papetoai
Ifalik
Neiafu