| Year / Period | From | To | Established | Ecological effects |
|---|---|---|---|---|
| unknown | United Kingdom | Ireland | probably yes | unknown |
| unknown | unknown | United Kingdom | yes | unknown |
| unknown | Unknown | Hawaii | unknown | unknown |
| 1980 - 1989 | Asia | Italy | yes | probably no |
| 1980 - 1989 | France | Spain | probably yes | probably no |
| 1918 | Indo-Pacific, Japan. | Pearl Harbor. | unknown | unknown |
| 1920 | Japan | Hawaii | yes | unknown |
| 1936 | Pacific, Northwest | Canada | yes | unknown |
| 1949 | Pacific, Northwest | United States of America | yes | unknown |
| 1971 | USA (California) | Fiji | unknown | unknown |
| 1973 | Pacific | Marine waters of Ireland | no | unknown |
| 1980 | Pacific, Western Central | France | yes | unknown |
| 1980 | unknown | French Polynesia | unknown | unknown |
| 1983 | Pacific, Western Central | Italy | yes | unknown |
| 1987 | Philippines | Norway | yes | |
| 1988 | Asia outside Western Palaearctic: Japan. | Poole Harbour. | yes | unknown |
| 2000 | unknown | Turkey | probably no | unknown |