| Reference no. | Dauvin, J.C., T. Ruellet, T. Thiebaut, F. Gentil, N. Desroy, A.L. Janson, S. Duhamel, J. Jourde and N. Simon, 2007 |
| Ecosystem | Celtic-Biscay Shelf |
| Status | introduced |
| Abundance | abundant (always seen in some numbers) |
| Lifestage | adults |
| Regional database | |
| Remarks | Known from Bay of Seine, English Channel. Introduction may be accidental via ballast waters or by larval dissemination from neighbouring populations. Colonization likely to be related to its southwest expansion from the Scheldt estuary (Ref. 80349). Also known from the Bay of Biscay (Ref. 114899). |