cardiopharynx schoutedeni is a species of cichlid endemic to lake tanganyika in east africa. it is found in burundi, the democratic republic of the congo, tanzania, and zambia. this semi-pelagic fish prefers habitats over sandy bottoms where it feeds on aquatic microorganisms. it can reach a length of tl. it is also found in the aquarium trade. the specific name honours the belgian zoologist henri schouteden (1881-1972) who was director of musée royal de l’afrique centrale in tervuren and who was one of the first zoologists to collect this species.