| Main Ref. | Hill, M., R. Baker, G. Broad, P.J. Chandler, G.H. Coop, J. Ellis, D. Jones, C. Hoyland, I. Laing, M. Longshaw, N. Moore, D. Parrott, D. Pearman, C. Preston, R.M. Smith and R. Waters, 2005 |
| To | Widewater Lagoon, West Sussex, Eastern English Channel (from 2°W to the Dover Strait, 51°N). |
| FAO area | Atlantic, Northeast |
| From | Unknown |
| FAO area | |
| Year | 1973 |
| Range | |
| Period | 1950-1974 |
| Established in the Wild | yes, self reproducing |
| Established in Aquaculture | |
| Significant Ecological Interactions | Unknown |
| Significant Socio-economic Effects | |
| Introduced by | |
| Reason | accidental with ships |
| Other Reason | |
| Comments | A UK Biodiversity Action Plan species, only recorded from three locations worldwide (Ref. 1314). Critically endangered in England (Ref. 3108). Known from the Celtic-Biscay Shelf and the English Channel (Ref.125835). Ref. Hill, M., R. Baker, G. Broad, P.J. Chandler, G.H. Coop, J. Ellis, D. Jones, C. Hoyland, I. Laing, M. Longshaw, N. Moore, D. Parrott, D. Pearman, C. Preston, R.M. Smith and R. Waters, 2005 |