[n = 17]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| unknown | Unknown | south Sweden | established | |
| unknown | Unknown | Baltic waters, Lithuania | established | |
| unknown | Unknown | Kazakhstan | probably established | |
| unknown | Unknown | Denmark | established | |
| unknown | Black Sea | Austria | established | probably some |
| 1954 - 1956 | Caspian Sea | Aral Sea | established | probably some |
| 1985 - 1986 | Eastern Europe | Lake St. Claire, Michigan | established | some |
| 1985 - 1986 | Unknown | Moscow River | established | probably some |
| 1985 - 1986 | Eastern Europe | Lake St. Claire, Ontario | established | some |
| 1985 - 1986 | Unknown | Gulf of Gdansk | established | probably some |
| 1990 | Unknown | Dnieper and Pripyat | established | no data |
| 1999 | Gulf of Gdansk | Rügen island | established | probably some |
| 2002 | Unknown | Riga Bay | probably established | |
| 2004 | Russian Federation | Netherlands | probably established | no data |
| 2005 | Unknown | Baltic , Finnish waters | established | |
| 2008 | Unknown | Czech Republic | established | probably some |
| 2010 | Unknown | Belgium | established |