| Year / Period | From | To | Established | Ecological effects |
|---|---|---|---|---|
| 18th century | Australasia | Fresh and brackish water areas of Ireland | yes | unknown |
| 1920 - 1929 | unknown | Denmark | yes | unknown |
| 1920 - 1929 | unknown | Switzerland | yes | unknown |
| 1990 - 1999 | unknown | Slovakia | yes | unknown |
| 1859 | New Zealand | United Kingdom | yes | unknown |
| 1859 | unknown | United Kingdom | yes | unknown |
| 1900 | New Zealand. | Inland waters. | unknown | yes |
| 1952 | New Zealand | Norway | yes | yes |
| 1987 | New Zealand | United States of America | yes | unknown |
| 1987 | unknown | United States of America | yes | probably yes |
| 2008 | unknown | Garmat Ali River |