[n = 30]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| Pre 18th century | Spain | Portugal | unknown | probably none |
| Pre 18th century | Unknown | Italy | established | |
| unknown | unknown | Turkey | established | unknown |
| unknown | Unknown | Kyrgyzstan | established | |
| unknown | Washington State, USA | British Columbia | unknown | |
| 1700 - 1799 | England | Ireland | established | none |
| 1820 | Netherlands | Norway | established | |
| 1867 | Australia (Tasmania) | New Zealand | established | probably none |
| 1870 | UK | India | established | |
| 1876 | Unknown | Australia | established | |
| 1877 | UK | USA | established | unknown |
| 1877 | Germany | USA | established | unknown |
| 1891 | Not specified | Netherlands | established | no data |
| 1894 | France | El Golea | not established | |
| 1895 | USA | Canada | established | |
| 1896 | UK | South Africa | established | |
| 1908 | Unknown | Chile | established | some |
| 1920 | South Africa | Zimbabwe | established | |
| 1927 | Netherlands | Indonesia | established | |
| 1936 | Poland | Finland | established | unknown |
| 1936 | France | Madagascar | not established | |
| 1945 | France | Morocco | established | |
| 1946 | U.S.A.? | Zambia | not established | |
| 1947 | Europe | Jordan River | not established | |
| 1947 | Europe | Jordan River | not established | |
| 1953 | Unknown | Damachi fish farm | probably established | |
| 1961 | Netherlands | Japan | established | |
| 1965 | Morocco | Tunisia | not established | unknown |
| 1984 | Hungary | Cyprus | unknown | |
| 1997 | Czech Republic | China | unknown | no data |