Main Ref. | AquaNIS, 2012 |
To | Isefjorden |
FAO area | Atlantic, Northeast |
From | unknown |
FAO area | |
Year | 1935 |
Range | |
Period | 1925-1949 |
Established in the Wild | |
Established in Aquaculture | |
Significant Ecological Interactions | |
Significant Socio-economic Effects | |
Introduced by | |
Reason | ballast water |
Other Reason | |
Comments | It is recorded from both the Baltic Sea and North Sea sides of Denmark. |