| Main Ref. | Bartley, D.M. (comp./ed.), 2006 |
| To | United Kingdom |
| FAO area | Atlantic, Northeast |
| From | Pacific |
| FAO area | |
| Year | 1977 |
| Range | |
| Period | 1975-present |
| Established in the Wild | yes |
| Established in Aquaculture | |
| Significant Ecological Interactions | unknown - adverse |
| Significant Socio-economic Effects | |
| Introduced by | unknown |
| Reason | unknown |
| Other Reason | |
| Comments | Joint Nature Conservation Committee; It can reach high numbers and produce copious mucilage which 'in sinking' can accumulate insoluble skeletons of planktonic organisms and mineral particles, increasing its volume and density (Boalch & Harbour 1977). |