Species Detail - Gammarus - 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
N/A
NHMSYS0020704167 UnverifiedUnverified
N/A
N/A
J.C. Fabricius, 1775
crustacean
Genus
5725
682
106
25/09/2007
16/10/2018
4 April (recorded in 2013)
17 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, Gammarus, accessed 13 May 2025, <https://maps.biodiversityireland.ie/Dataset/335/Species/23469>

Records per month (across all datasets)

Records per year (across all datasets)