title: Arfak rainbowfish
text: # Arfak rainbowfish
  
  The Arfak rainbowfish (Melanotaenia arfakensis) is a species of rainbowfish in the subfamily Melanotaeniinae. It is endemic to West Papua in Indonesia. Its natural habitat is rivers. It is threatened by habitat loss. It grows to a length of about 8 cm.
  
  