Invasion

Invasion Description

None

Geographic Extent

Kristensande/Norway/Indre Killen, Indre, Drangsvann, Skaggerak (Vader et al. 1984); Sigtesoy/Norway/Brevikfjorden (Vader et al. 1984); near Moss//Norway/Hallangspollen, Oslofjord (Vader et al. 1984)