[n = 7]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| unknown | Sudan | Congo | established | probably some |
| unknown | Unknown | Uganda | established | probably some |
| 1954 | Uganda | Kenya | established | some |
| 1954 | Mali | Morocco | not established | |
| 1954 | Uganda | Lake Victoria, Tanzania | established | some |
| 1979 | Africa | USA | not established | |
| 1982 | Ethiopia | Cuba | probably not established |