Invasion
Invasion Description
1st Record? Sweden/Baltic Sea (abundant by 1900, Swedish Environmental Protection Agency, www.frammandearter.se/0/2english/pdf/Mya_arenaria.pdf)
Geographic Extent
Sweden-Finland/Gulf of Bothnia (Olenin and Leppakoski 2007)
Vectors
| Level | Vector |
|---|---|
| Probable | Fisheries Intentional |
| Alternate | Natural Dispersal |
| Alternate | Dry Ballast |