Neolamprologus mondabu is a species of cichlid endemic to Lake Tanganyika except for the southern portion where it is replaced by N. modestus. It prefers areas with rocky substrates, moving to areas with sandy substrates to breed. It feeds on the eggs of Lamprichthys tanganicanus. This species can reach a length of 10.7 centimetres (4.2 in) TL. This species can also be found in the aquarium trade.