Invasion

Invasion Description

1st Record? Germany/Muhlenberger Loch, Elbe estuary (1996, Sikorski and Bick 2004, 0.7 PSU)

Geographic Extent

between IJmuiden and Amsterdam/Netherlands/North Sea Canal (2001, van Moorsel et al. 2010, 6-17 PSU); Belgium/North Sea estuaries (2008, Boets et al. 2016); Germany/Muhlenberger Loch, Elbe estuary Bastrop and Blank 2006); England/Thames estuary (@021? Radashvesky et al. 2022).