Species Detail - Gammarus pulex/fossarum agg. - Species information displayed is based on the dataset "River Biologists' Database (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).
Gammarus pulex/fossarum agg.
N/A
NHMSYS0021164662
RecommendedWell-formed
Cancer pulex Linnaeus, 1758, Gammarus pulex sens. lat. (Linnaeus, 1758), Gammarus pulex sens. lat. Linnaeus, 1758, Gammarus pulex subsp. pulex (Linnaeus, 1758)
Invasive Species: Medium Risk Invasive Species (2013 Report) || Invasive Species: The Wildlife (Northern Ireland) Order 1985
gapul
N/A
Crustacean
Species aggregate
4
3
2
12/08/2009
25/09/2009
20 May (recorded in 2004)
19 October (recorded in 2010)
Environmental Protection Agency, River Biologists' Database (EPA), National Biodiversity Data Centre, Ireland, Gammarus pulex/fossarum agg., accessed 13 September 2025, <https://maps.biodiversityireland.ie/Dataset/19/Species/298142>