| Year / Period | From | To | Established | Ecological effects |
|---|---|---|---|---|
| unknown | Unknown | Canada | unknown | unknown |
| unknown | unknown | Shatt Al-Arab | ||
| unknown | Unknown | USA | unknown | unknown |
| 100 - 1956 | North America | South Africa | yes | unknown |
| 1895 | Southwestern Europe. | Inland waters. | unknown | unknown |
| 1909 | North America | Fresh water areas of Ireland | yes | unknown |