Invasion
Invasion Description
1st Record: Norway/Oslojiord (1921, Edwards 1976)
Geographic Extent
Norway/Oslojiord (1921, Edwards 1976); Sweden/Gulmarfjord (1930, Edwards 1976); Knuten, Tjorn Island/Sweden/Skagerrak (&/27/2018, Govindarajan et al. 201958.0782N; 11.7065E, associated with severe stinging)
Vectors
| Level | Vector |
|---|---|
| Alternate | Ballast Water |
| Alternate | Hull Fouling |
| Alternate | Oyster Accidental |