[n = 24]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| unknown | unknown | Uzbekistan (Syr Darya basin) | established | probably none |
| unknown | Unknown | Argentina | unknown | |
| unknown | Unknown | Austria | unknown | |
| unknown | Unknown | Chile | unknown | |
| unknown | Asia | Finland | unknown | unknown |
| unknown | Unknown | Spain | probably established | |
| unknown | Unknown | Sweden | probably established | |
| unknown | Unknown | Turkey | not established | |
| unknown | Unknown | Uruguay river, Uruguay | unknown | |
| 1960 - 1969 | Russia | Estonia | not established | probably some |
| 1993 - 2001 | Russian Federation | Netherlands | not established | unknown |
| 1990 - 1999 | Asia | UK | not established | unknown |
| 1956 | Unknown | USSR | not established | |
| 1962 | Asia | Latvia | not established | unknown |
| 1962 | Asia, Siberia | Lithuania | probably established | |
| 1964 | USSR | Japan | not established | |
| 1975 | USSR | France | not established | |
| 1982 | Unknown | Czech Republic | unknown | unknown |
| 1982 | Russia | Hungary | not established | some |
| 1985 | Russia | Poland | probably not established | unknown |
| 1993 | Russian Federation | Poland | not established | unknown |
| 1997 | Russia | Greece | unknown | unknown |
| 1998 | Russian Federation | China | unknown | no data |
| 2006 | Unknown | Denmark | not established | unknown |