| Year / Period | From | To | Established | Ecological effects |
|---|---|---|---|---|
| 1730 - 1732 | unknown | Zealand and Westfrisland | ||
| 1930 - 1950 | Northeast Atlantic Ocean | Baltic Sea | yes | yes |
| 1930 - 1950 | Northeast Atlantic Ocean | no | unknown | |
| 1930 - 1950 | Northeast Atlantic Ocean | Baltic Sea | no | unknown |
| 1930 - 1950 | Northeast Atlantic Ocean | Baltic Sea | yes | yes |
| 1600 | unknown | Belgium | ||
| 1808 | Indo-Pacific. | North Sea. | unknown | yes |
| 1914 | Northeast Atlantic | Mare Island, San Francisco, California | yes | yes |