(Xenotilapia boulengeri)
Xenotilapia boulengeri is a species of cichlid endemic to Lake Tanganyika where it occurs in schools in areas with sandy substrates. Its diet consists of small shrimps and copepods. This species can reach a length of 15.3 centimetres (6.0 in) TL. It can also be found in the aquarium trade. The specific name honours the Belgian-British zoologist George Albert Boulenger (1858-1937), in recognition of his worl on the fishes of Lake Tanganyika.