The southern end of the endorheic Cuvelai drainage consists of a 130km wide delta that receives floodwater and migrating fish from thebetter watered catchment in southern Angola. The fish life of these temporary oshanas is dominated by the genera Barbus, Clarias and Oreochromis, similar to sumplakes or other systems in central and southern Africa. Keywords: Anastomosing temporary shallow channel, Aquatic vegetation, Egg bearing cichlids, Eurytupic fishes, Fish populations, Pipeline, Reservoirs and Seine nets.