2. Radix auricularia (Linnaeus, 1758)

Distribution and year: Okavango Delta 2018/2019 (Malatji et al. 2019).

Native range: Europe and Asia (Larson 2018).

Extent of invasion: The species has a wide invasion expansion range in North America (Larson 2018) and New Zealand (Winterbourn 2023), and has recently been discovered in the Okavango Delta, Botswana, and KwaZulu-Natal, South Africa (Malatji et al. 2019).

Habitat: Freshwater.

Notes: The species occurs in slow flowing rivers, lakes, as well as in man-made waterbodies such as ponds, irrigation canals and reservoirs (Winterbourn 2023). The molluscs serve as an intermediate host of Fasciola gigantica Cobbold, 1855 (Malatji et al. 2019); they are used for feeding fowl and fish in some regions in Asia (Winterbourn 2023).

Type locality: In Europe (Linnaeus 1758).

Source: Malatji et al. (2019).