| Main Ref. | Bartley, D.M. (comp./ed.), 2006 |
| To | Spain |
| FAO area | |
| From | Pacific, Northwest |
| FAO area | |
| Year | 1964 |
| Range | |
| Period | 1950-1974 |
| Established in the Wild | yes |
| Established in Aquaculture | widely used |
| Significant Ecological Interactions | unknown - undecided |
| Significant Socio-economic Effects | |
| Introduced by | unknown |
| Reason | unknown |
| Other Reason | |
| Comments | Introduced for oyster farming. Widely common in natural sites outside the influence of marine farming. France, (Raimbault, 1964) and in Adriatic lagoons (Venice, Grado, Varano, Foggia) (Matta, 1969). Successively recorded from Malta (Agius et al., 1978). |