[n = 5]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| unknown | Atlantic | Elafonissos Island, Greece | probably established | |
| 1980 | Atlantic | Israel | established | no data |
| 2008 | Atlantic | Cyprus | unknown | |
| 2011 | Atlantic | middle Adriatic | established | |
| 2011 | Esatern Atlantic | Italy | established | no data |