Paracyprichromis brieni is a species of cichlid endemic to Lake Tanganyika where it is only known to occur in the northernmost portion of the lake. It can reach a length of 11cm (04inches) TL. This species can also be found in the aquarium trade. The specific name honours the author, Max Poll's, friend and fellow zoologist Paul Brien (1928-1964) of the Université libre de Bruxelles.[1]