ABSTRACT
The Southern African Region spans the southern tip of Africa, from St. Helena Bay, West Coast Peninsula in the west, around Cape Agulhas, and northward to St. Lucia, northernmost Kwa Zulu-Natal, South Africa in the east. The oceanography of the Southern African Region is complex, primarily due to the interactions of two confluent currents: the warm water Agulhas Current, which flows southward through the Mozambique Channel and down the East African coast and curves westward as far as East London and the offshore Agulhas Platform; and the cold water Benguela Current, which flows northward from Cape Province to the Namaqualand Coast and along Namibia. As a faunal transition zone between the Transkeian and Mozambican Subprovinces, the Natalean Subprovince contains a mixed gastropod fauna, with elements of both eutropical Indian Ocean faunas and the paratropical South Africa faunas.
