[n = 8]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| unknown | Brazil | Bangladesh | probably not established | probably some |
| unknown | Unknown | Barbados | unknown | |
| unknown | Unknown | Canada | unknown | |
| unknown | Unknown | USA | unknown | |
| 1960 - 1979 | Brazil (River Doce State Park southeastern Brazil) | Brazil (Amazon Basin) | established | some |
| 1970 - 1979 | Unknown | Philippines | unknown | |
| 1990 | Brazil | China | established | no data |
| 1992 | unknown | Hawaii | unknown | unknown |