| Year / Period | From | To | Established | Ecological effects |
|---|---|---|---|---|
| unknown | unknown | Not specified. | unknown | unknown |
| 1972 - 1981 | unknown | Hong Kong | yes | |
| 1834 | unknown | Hobart, Tasmania | probably yes | unknown |
| 1850 | Not specified. | New Bedford, Massachussetts | yes | probably yes |
| 1852 | unknown | Grand Manan Island | unknown | unknown |
| 1885 | Not specified. | Not specified. | unknown | unknown |
| 1955 | unknown | South Africa | yes | unknown |
| 1958 | unknown | Not specified. | unknown | unknown |
| 1975 | unknown | Not specified. | unknown | unknown |
| 1977 | unknown | Not specified. | unknown | unknown |
| 1982 | unknown | Not specified. | probably no | unknown |
| 1987 | North Atlantic | San Diego Bay, California | ||
| 1994 | unknown | Not specified. | probably no | unknown |
| 1999 | unknown | Not specified. | unknown | unknown |
| 2002 | unknown | Paracas | yes | |
| 2004 | unknown | Montague | probably yes | unknown |