[n = 7]
Year / Period | From | To | Established | Ecol. effects |
---|---|---|---|---|
unknown | Unknown | Afghanistan | established | |
unknown | former USSR | Iran | probably established | unknown |
unknown | Romania | Iran | probably established | unknown |
unknown | Japan | USSR | established | some |
unknown | Korea | USSR | established | some |
unknown | Yangtze River, China | USSR | established | some |
1960 - 1965 | Yangtze river basin | Balykchi fish farm | established |