Species Detail - Zebra Mussel (Dreissena polymorpha) - Species information displayed is based on the dataset "A national macroinvertebrate dataset collected for the biomonitoring of Ireland’s river network, 2007–2018 (EPA)".
Terrestrial Map - 10km
Terrestrial Map - 10km
Distribution of the number of records recorded within each 10km grid square (ITM).Marine Map - 50km
Marine Map - 50km
Distribution of the number of records recorded within each 50km grid square (WGS84).
Dreissena polymorpha
Zebra Mussel
NBNSYS0000006809
RecommendedWell-formed
Invasive Species: Regulation S.I. 477/2011 (Ireland) || Invasive Species: High Risk Invasive Species (2013 Report) || Invasive Species: Regulation S.I. 374/2024 (Ireland) || Invasive Species: The Wildlife (Northern Ireland) Order 1985
drpol
(Pallas, 1771)
Mollusc
Species
99
45
24
23/08/2007
14/08/2018
19 January (recorded in 2024)
14 December (recorded in 2009)
Environmental Protection Agency, A national macroinvertebrate dataset collected for the biomonitoring of Ireland’s river network, 2007–2018 (EPA), National Biodiversity Data Centre, Ireland, Zebra Mussel (Dreissena polymorpha), accessed 16 September 2025, <https://maps.biodiversityireland.ie/Dataset/335/Species/120210>