Invasion
Invasion Description
1st Record: Finland-Estonia/Inner Gulf of Finland; Koverhar/Finland/Gulf of Finland (Paavola et al. 2008)
Geographic Extent
Finland-Estonia/Inner Gulf of Finland; Koverhar/Finland/Gulf of Finland (Paavola et al. 2008); near Tvärminne Zoological station, Hanko Peninsula/Finland/Gulf of Finland (Valanko et al. 2010; 59° 50?N: 24° 58?E)
Vectors
Level | Vector |
---|---|
Probable | Ballast Water |
Alternate | Natural Dispersal |