| Species Name | Country / Port | Port / Vicinity? | Detection Year |
|---|---|---|---|
| Magallana gigas | Denmark / Helsingor | port | 2017 |
| Magallana gigas | Denmark / Kalundborg | port | 2017 |
| Magallana gigas | Denmark / Grenaa | port | 2017 |
| Magallana gigas | Denmark / Copenhagen | port | 2017 |
| Magallana gigas | Denmark / Aalborg | port | 2017 |