| Referencia número | George, M., 2004 |
| Ecosistema | Baltic Sea |
| Estado | stray |
| Abundancia | scarce (very unlikely) |
| Estadio de desarrollo | adults |
| Base de datos regional | |
| Observaciones | Was known to enter rarely the western Baltic Sea (Ref. 58137, 88171, 88784). HELCOM: endangered; considered a high priority species (Ref. 83294). |