Decorated butterflyfish
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Perciformes
- family: Chaetodontidae
- genus: Chaetodon
- species: Chaetodon semeion
Kapingamarangi
Pohnpei- Ifalik
Yap
Micronesia, Federated States Of
Ngetkib
Airai- Angaur State
Angaur- Kayangel
Kayangel- Koror State
- Koror Town
Koror
Palau