| Year / Period | From | To | Established | Ecological effects |
|---|---|---|---|---|
| 1916 - 1965 | Unknown. | Southampton Water. | probably yes | unknown |
| 1916 | Western North Atlantic | Zuiderzee, Denmark | unknown | unknown |
| 1916 | Atlantic, Western Central | United Kingdom | yes | unknown |
| 1927 | Atlantic, Western Central | France | yes | unknown |
| 1931 | Pacific and Western Atlantic. | North Sea | unknown | yes |
| 1952 | Not specified | Canada | unknown | yes |