Species Detail - Sowerby's Keeled Slug (Tandonia sowerbyi) - Species information displayed is based on the dataset "Ireland's BioBlitz".

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
Tandonia sowerbyi
Sowerby's Keeled Slug
NHMSYS0020528291 RecommendedUnverified
Invasive Species: Medium Risk Invasive Species (2013 Report)
tasow
(A. Férussac, 1823)
Mollusc
Species
3
2
2
21/05/2011
19/05/2012
1 January (recorded in 1988)
21 December (recorded in 1974)
Collated by the National Biodiversity Data Centre from different sources, Ireland's BioBlitz, National Biodiversity Data Centre, Ireland, Sowerby's Keeled Slug (Tandonia sowerbyi), accessed 31 August 2025, <https://maps.biodiversityireland.ie/Dataset/189/Species/123967>

Records per month (across all datasets)

Records per year (across all datasets)