| Species Name | Country / Port | Port / Vicinity? | Detection Year |
|---|---|---|---|
| Hemigrapsus sanguineus | France / Le Havre | port | 1999 |
| Hemigrapsus sanguineus | France / Cherbourg | port | 2008 |
| Hemigrapsus sanguineus | France / Calais | port | 2008 |
| Hemigrapsus sanguineus | France / Boulogne | port | 2008 |