by Brian Harrison Original Description Psammochromis riponianus was originally described as Pelmatochromis riponianus by Boulenger in 1911. The species was then listed as a junior synonym of Haplochromis cinereus by Regan (1922) but, on the basis of specimens in Vienna museum, Lohberger, 1929 decided that Regan’s views on the conspecificity of Pelmatochromis riponianus and Haplochromis […]