[n = 10]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| 1975-1999 | Ukraine | Eastern Slovakia | established | some |
| unknown | Unknown | Latvia | unknown | |
| unknown | Unknown | Italy | unknown | |
| 1912 | Yangtze River, China | Russia | established | some |
| 1992 | Unknown | Poland | established | some |
| 1997 | Poland | Hungary | established | no data |
| 1998 | Poland | Slovakia | established | no data |
| 2001 | Unknown | Suceava River | established | |
| 2005 | Unknown | Belarus | established | no data |
| 2005 | Unknown | Bulgaria | established |