Sphaerium capense

4. Sphaerium capense (Krauss, 1848) Distribution and year: Guma Lagoon, Okavango Delta 2000 (Appleton et al. 2003); Gadikwe Lagoon, Okavango Delta 2000 (Appleton et al. 2003); Boro River [SMWN77001] 1996 (Appleton & Curtis 2007); Okavango Delta [SMWN76983] 1996 (Appleton & Curtis 2007). Geographic range: Botswana, Eswatini, Madagascar, Mozambique, Namibia, South Africa, Zambia, Zimbabwe. Habitat: Freshwater. Notes: The molluscs inhabit calm sandy substrates in lakes, rivers and streams (Van Damme et al. 2016). They mostly occur in large densities, usually with the congeneric Sphaerium incomitatum (see Appleton & Curtis 2007). Type locality: In Knysna River, Western Cape Province, South Africa (Krauss 1848). Sources: Appleton et al. (2003: 58–68); Appleton & Miranda (2015: 136); Appleton & Curtis (2007: 57); GBIF (2023 b). Conservation status: Least Concern.