Unio caffer Krauss 1848

12. Unio caffer Krauss, 1848 Distribution and year: “Nosob–Hygap watercourse” (Nossob River), Bokspits N/A (Connolly 1939); Limpopo River at Zanzibar Crossing, Tuli Block 1982 (GBIF 2023 b). Geographic range: Botswana, Malawi, Mozambique, Namibia, SouthAfrica, Tanzania, Zambia, Zimbabwe. Habitat: Freshwater. Notes: The species is endemic to Southern Africa (Brown 1967). Fish species parasitized by larvae of U. caffer are currently facing threats, hence qualifying U. caffer as an indicator of freshwater ecosystem health (Sonamzi et al. 2019). Type locality: KwaZulu-Natal, South Africa (Krauss 1848). Sources: Connolly (1939: 605); van Bruggen (1966 a: 110); Graf & Cummings (2023); GBIF (2023 b). Conservation status: Least Concern.