Invasion
Invasion Description
1st Record: Hirsholmene/Denmark/Kattegat (1985, Provan et al. 2007)
Geographic Extent
Hirsholmene/Denmark/Kattegat (1985, Provan et al. 2007); Denmark/Kattegat (1985, Christiansen 1985, cited by Chapman 1999; Thomsen 2007))
Vectors
| Level | Vector |
|---|---|
| Alternate | Hull Fouling |
| Alternate | Ballast Water |
| Alternate | Oyster Accidental |
Regional Impacts
| Ecological Impact | Competition | |
| In the Kattegat, C. fragile was classified as having a low level of community impacts (Zaiko et al. 2011). | ||