Invasion
Invasion Description
1st Record: Hanko/Finland/Gulf of Finland (Kekkonen 2003, cited by Grabowski 2006, 1 individual)
Geographic Extent
Hanko/Finland/Gulf of Finland (Kekkonen 2003, cited by Grabowski 2006, 1 individual); Tvärminne/Gulf of Finland (before 2011, Vesakoski 2011); Estonia/Gulf of Finland (7/2011, Henn Ojaveer, in ICES Advisory Committee on the Marine Environment 2012); Inkoo-42 Loviisa,/Finland/Gulf of Finland (7-8/2011, Katajisto et al. 2013); Estonia/Tallinn Bay-Kunda Bay, Gulf of Finland (7-9/2011, Katajisto, et al. 2013); Saaremaa Island-Narva Bay/Finland/Gulf of Finland (2011-2016, Kuprijanov et al. 2017)
Vectors
| Level | Vector |
|---|---|
| Probable | Ballast Water |
Regional Impacts
| Ecological Impact | Competition | |
| Palaemon elegans and P. adspersus has a stronger preference for vegetated substrate than the native P. adspersus but the species habitat preferences overlap, and some competiton is likely (Kuprinanov et al. 2017). | ||