| Main Ref. | Gollasch, S., F. Kerckhof, J. Craeymeersch, P. Goulletquer, K. Jensen, A. Jelmert and D. Minchin, 2015 |
| To | Norway |
| FAO area | Atlantic, Northeast |
| From | German Bight |
| FAO area | |
| Year | 1989 |
| Range | |
| Period | 1975-present |
| Established in the Wild | |
| Established in Aquaculture | |
| Significant Ecological Interactions | |
| Significant Socio-economic Effects | |
| Introduced by | |
| Reason | diffused from other countries |
| Other Reason | |
| Comments |