Species Detail - Swan Mussel (Anodonta (Anodonta) cygnea) - Species information displayed is based on all datasets.

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
Anodonta (Anodonta) cygnea
Swan Mussel
NHMSYS0001701888 UnverifiedUnverified
Threatened Species: Vulnerable
ancyg
(Linnaeus, 1758)
mollusc
Species
113
76
42
01/01/1860
20/05/2024
27 January (recorded in 2002)
3 October (recorded in 1995)
National Biodiversity Data Centre, Ireland, Swan Mussel (Anodonta (Anodonta) cygnea), accessed 26 April 2025, <https://maps.biodiversityireland.ie/Species/123341>

Records per month (across all datasets)

Records per year (across all datasets)