Distribution
Africa: Sabie-Sand tributaries, Incomati River system, Transvaal; coastal pans between Incomati and Limpopo Rivers, Mozambique; Mgobezeleni Lake, Natal. Introduced to impoundments in the Kruger National Park (Ref. 7248). Threatened by depleted water supplies, sedimentation, pollution and invasive plants (Ref. 7248).