Lake Kutubu rainbowfish

Aquamarine Rainbow Fish ( Melanotaenia lacustris )

Aquamarine Rainbow Fish ( Melanotaenia lacustris ) is a freshwater fish from Papua New Guinea, which is also known under the name Kutubu Rainbowfish. It was first collected in 1955 and 1964 described the Australian ichthyologist Ian Munro scientifically.

Features

Depending on water and environmental conditions as well as from the chuck, the aquamarine rainbow fish show different colors of cobalt blue to steel blue and aquamarine to turquoise tones. The upper half of the body is stained most intensely. Males are more intensely colored, larger and have a greater body height than the females. The fish are about four inches long, rarely up to twelve inches.

Occurrence

Aquamarine Rainbow fish is endemic to Lake Kutubu and the Soro River, the only outlet of the lake, which drains into the Kikori River system. The fish live in groups near the surface in the clear, up to 70 meters deep lake at temperatures from 21 to 25 ° C and pH values ​​of 8.5 to 9.0.

Others

Aquamarine Rainbow fish are spawning period. This means that they spawn not only in a particular season, such as other fish in the rainy season, but in favorable conditions throughout the year.

Melanotaenia lacustris is an omnivore. In the aquarium, all kinds of live, frozen, flake or forage to be taken. Important is a varied diet.

In the morning, when either the lights go on in the aquarium or it is bright enough by the incoming falling daylight, the males begin courtship. Here, her forehead dyed bright yellow. As Ablaichsubstrat they prefer delicate plants near the ground, in the aquarium as Java moss.