| Year / Period | From | To | Established | Ecological effects |
|---|---|---|---|---|
| 19th century | Southern America | Brackish waters of Ireland | yes | yes |
| 1844 | unknown | Kaliningrad | ||
| 1853 | Northwest Atlantic | San Francisco Bay, California. | unknown | unknown |
| 1858 | Western Atlantic. | North Sea. | unknown | yes |
| 1890 | unknown | Stockholm | ||
| 2015 | unknown | Le Grau-du Roi | ||
| 2015 | unknown | Lido di Ostia | ||
| 2015 | unknown | Istanbul |