(Altolamprologus calvus)
Altolamprologus calvus is a cichlid endemic to the southern shoreline of Lake Tanganyika in eastern Africa.The species has an extremely laterally compressed body and a high dorsal fin.Males may grow to 13 cm (5 inches),while females are normally smaller.It is physically similar to its close relative A.compressiceps,though it is less deep-bodied and has a longer snout.A.calvus is commonly kept as an aquarium fish in setups devoted to East African fish.Several local variants exist.