| 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 | Rivers Exe, Teign and Dart, Western English Channel. |
| FAO area | Atlantic, Northeast |
| From | Asia outside Western Palaearctic. |
| FAO area | |
| Year | 1989 |
| Range | 1965 - 1989 |
| Period | 1950-1974 |
| Established in the Wild | Unknown |
| Established in Aquaculture | yes - widely used |
| Significant Ecological Interactions | Unknown |
| Significant Socio-economic Effects | |
| Introduced by | |
| Reason | aquaculture |
| Other Reason | |
| Comments | Persisting in the wild for more than 5 years but not effectively reproducing. Moderate growth expansion and is widely cultivated for aquaculture. 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 |