| Year / Period | From | To | Established | Ecological effects |
|---|---|---|---|---|
| unknown | China / Korea | Czech Republic | yes | unknown |
| unknown | China | Estonia | yes | unknown |
| unknown | China | Finland | yes | unknown |
| unknown | China | Latvia | yes | unknown |
| unknown | China | Lithuania | yes | unknown |
| unknown | China | Sweden | yes | unknown |
| 1920 - 1929 | China | Portugal | yes | unknown |
| 1920 - 1929 | China | Romania | yes | unknown |
| 1930 - 1939 | China | Italy | yes | unknown |
| 1930 - 1939 | China | Moldova, Republic of | yes | unknown |
| 2004 - 2007 | Europe | St. Lawrence River and Estuary | ||
| 1912 | Northwest Pacific. | Inland waters. | unknown | yes |
| 1927 | Germany | Austria | yes | |
| 1927 | China | Germany | no | unknown |
| 1927 | Germany | Netherlands | yes | |
| 1927 | Germany | Poland | yes | |
| 1930 | Austria | Switzerland | yes | |
| 1932 | Netherlands | Belgium | yes | |
| 1934 | Germany | Denmark | yes | |
| 1935 | China / Korea | United Kingdom | yes | unknown |
| 1935 | Unspecified, China | Thames Estuary | yes | yes |
| 1935 | Unspecified, Japan | Thames Estuary | yes | yes |
| 1935 | Unspecified, Korea | Thames Estuary | yes | yes |
| 1943 | Belgium | France | yes | |
| 1965 | China | Spain | yes | unknown |
| 1965 | China | United States of America | yes | unknown |
| 1973 | German waterways. | Lake Erie | yes | yes |
| 1976 | China | Norway | yes | unknown |
| 1980 | unknown | Shatt Al-Arab | ||
| 1980 | unknown | Neva Bay | ||
| 1994 | unknown | Canada | unknown | unknown |
| 2006 | East Asia | Brackish and marine waters of Ireland | probably yes | unknown |