| Arfak Rainbowfish | |
|---|---|
 | |
| Information | |
| Range | West Papua in Indonesia. |
| Scientific Classification | |
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Actinopterygii |
| Order | Atheriniformes |
| Family | Melanotaeniidae |
| Genus | Melanotaenia |
| Species | M. arfakensis |
| Conservation Status | |
 Vulnerable | |
The Arfak rainbowfish, (Melanotaenia arfakensis), is a species of fish in the Melanotaeniidae family. It is endemic to West Papua in Indonesia. Its natural habitat is rivers. It is threatened by habitat loss.