[n = 11]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| 1975-1999 | Sea of Azov | Turkey | probably established | |
| unknown | Ukraine (Sea of Azov) | Russian Federation (Amur River) | established | probably none |
| unknown | Unknown | Thracian Sea, Greece | established | |
| unknown | Sea of Azov | Greece | established | |
| 1972 - 1980 | Russia (Vladivostok) | Ukraine | established | unknown |
| 1986 - 1995 | Black Sea | Romania | established | unknown |
| 1985 - 1995 | Black Sea | Georgia | established | unknown |
| 1986 - 1995 | Black Sea | Bulgaria | established | unknown |
| 1966 | Far East | Russian Federation (Caspian Sea , Volga Delta) | not established | unknown |
| 1972 | Unknown | USSR | probably not established | |
| 1972 | unknown | Russian Federation (Black Sea) | probably not established | unknown |