Tropheus polli is a species of cichlid endemic to Lake Tanganyika, where it is only known from the central eastern portion of the coast in areas with rocky substrates. This species can reach a total length of 16.5cm (06.5inches). It can also be found in the aquarium trade. The specific name honours the ichthyologist Max Poll. It is considered by some authorities to be a synonym of Tropheus annectens.