Otjikoto tilapia

Introduction: The Otjikoto tilapia (Tilapia guinasana) are an endangered species of fish that are threatened by the introduction of other fish in the Otjikoto lake as well as the use and depletion of the local groundwater resources. They are also an attractive aquarium species as well as being used for evolutionary studies.

Distribution: The Otjikoto tilapia is endemic to Lake Guinas in Namibia. It has also been re-located to Lake Otjikoto and a number of other lakes in the country.

Diet: Primarily diatoms and algae.

Colouring: Individuals vary in unusual colours in olive green with dark vertical bars and red streaked fins to a more uniform black of vivid white, blue, yellow and black. A black throat, abdomen and anal fin are characteristic of breeding females.

Breeding: Takes place on narrow shelves once territories have been established and defended. Eggs are tended and guarded by both parents.

Size: Can attain a total length of 140mm