Invasion
Invasion Description
1st Record Bohuslan/Sweden/Skagerrak (1938, Chapman 1999)
Geographic Extent
Bohuslan/Sweden/Skagerrak (1938, Chapman 1999); Norway/Skaggerak (1952, Chapman 1999)
Vectors
| Level | Vector |
|---|---|
| Alternate | Hull Fouling |
| Alternate | Natural Dispersal |
| Alternate | Fisheries Accidental (not Oyster) |