Invasion
Invasion Description
1st Record: Frederikshavn/Denmark/Kattegat (1948, Jensen and Knudsen 2005 )
Geographic Extent
Frederikshavn/Denmark/Kattegat (1948, Jensen and Knudsen 2005, increasing in abundance in Danish waters, Thomsen et al. 2008); Denmark/North Sea (1932-2018 Jensen et al. 2023)
Vectors
| Level | Vector |
|---|---|
| Alternate | Oyster Accidental |
| Alternate | Ballast Water |
| Alternate | Hull Fouling |
Regional Impacts
| Ecological Impact | Competition | |
| Crepidula fornicata was considered to have weak community impacts in Kattegatt and Belt Sea regions (Zaiko et al. 2011) | ||