Labeotropheus curvirostris Ahl, 1926 The blue mbuna (Labeotropheus fuelleborni) is a species of cichlid found in Lake Malawi where it inhabits areas with rocky substrates.

This species can reach a length of 30 centimetres (12 in) SL.

This species is important to local commercial fisheries as well as being found in the aquarium trade.

[2] Some of its mottled forms are sometimes known as marmalade cat.

The specific name honours the German parasitologist and military physician Friedrich Fülleborn (1866-1933).