Invasion
Invasion Description
1st Record: Sweden-Finland/Gulf of Bothnia (1945, Olenin and Leppakoski 1999)
Geographic Extent
Sweden-Finland/Gulf of Bothnia (Merilainen 1988; Olenin and Leppakoski 1999)
Vectors
| Level | Vector |
|---|---|
| Alternate | Fisheries Accidental (not Oyster) |
| Alternate | Dry Ballast |
| Alternate | Cargo |
| Alternate | Natural Dispersal |
Regional Impacts
| Ecological Impact | Competition | |
| Some community impacts (Zaiko et al. 2011) | ||