| Main Ref. | Bartley, D.M. (comp./ed.), 2006 |
| To | France |
| FAO area | |
| From | American Atlantic |
| FAO area | |
| Year | 1957 |
| Range | |
| Period | 1950-1974 |
| Established in the Wild | probably yes |
| Established in Aquaculture | |
| Significant Ecological Interactions | unknown - undecided |
| Significant Socio-economic Effects | |
| Introduced by | unknown |
| Reason | unknown |
| Other Reason | |
| Comments | Always rare in the Mediterranean; France : collected first in 1957 La Seyne-sur-mer, (Zibrowius, 1992), Salses-Leucate (Clanzig, 1989), Thau (Zibrowius, pers. comm.); Malta: Marsamxett harbour and Marsaxlokk Bay (Cachia, 1981). |