Country | Locality | Introduced | Year | Qualitative Value | Ref. |
---|---|---|---|---|---|
Zimbabwe | Fothergill, Lake Kariba | 1990 - 1990 | common | 58363 | |
Zimbabwe | Gache Gache, Lake Kariba | 1990 - 1990 | very common | 58363 | |
Zambia | Lake Kariba Chikanka Island | 1968 - 1968 | rare | 56439 |