| Year / Period | से | To | Established | Ecological effects |
|---|---|---|---|---|
| unknown | Atlantic, Northeast | Belgium | हां | unknown |
| unknown | Atlantic, Northeast | Netherlands | हां | unknown |
| 1880 - 1889 | Atlantic, Northeast | United Kingdom | हां | unknown |
| 1890 | North America. | River Crouch, Essex. | हां | हां |
| 1896 | Northwest Atlantic. | North Sea. | Unknown | Unknown |
| 1910 | United States of America | Netherlands | हां | |
| 1955 | United States of America | Norway | हां | |
| 1994 | Atlantic, Northeast | Greece | नहीं | unknown |