Lake Kutubu rainbowfish

Melanotaenia lacustris

Fish Reaching Ten Centimeters in Freshwater Basins

Tropical
Regional distribution
Freshwater fish
Oceania
Fusiform
Small
Tropical fish

The Lake Kutubu rainbowfish (Melanotaenia lacustris) is a species of fish in the family Melanotaeniidae. It is also known as turquoise rainbowfish. It is one of 13 fish endemic to Lake Kutubu, a lake found within the Kikori River system in Papua New Guinea.

Class: Teleosts
Order: Silversides
Family: Melanotaeniidae
Genus: Melanotaenia
Water type: Freshwater
Body shape: fusiform