Species Detail - Gammarus pulex/fossarum agg. - 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

Distribution of the number of records recorded within each 10km grid square (ITM).
Live Map

Marine Map - 50km

Distribution of the number of records recorded within each 50km grid square (WGS84).
Live Map
Gammarus pulex/fossarum agg.
N/A
NHMSYS0021164662 RecommendedWell-formed
Invasive Species: Invasive Species || Invasive Species: Invasive Species >> Medium Impact Invasive Species
gapul
N/A
Crustacean
Species aggregate
36
13
7
12/08/2009
05/08/2015
20 May (recorded in 2004)
19 October (recorded in 2010)
Environmental Protection Agency, A national macroinvertebrate dataset collected for the biomonitoring of Ireland’s river network, 2007–2018 (EPA), National Biodiversity Data Centre, Ireland, Gammarus pulex/fossarum agg., accessed 13 June 2025, <https://maps.biodiversityireland.ie/Dataset/335/Species/298142>

Records per month (across all datasets)

Records per year (across all datasets)