Species Detail - American Slipper Limpet (Crepidula fornicata) - Species information displayed is based on the dataset "National Invasive Species Database".

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

Species image

Crepidula fornicata
American Slipper Limpet
NBNSYS0000174750 RecommendedUnverified
Invasive Species: Regulation S.I. 477/2011 (Ireland) || Invasive Species: Detailed Risk Assesment || Invasive Species: High Risk Invasive Species (2013 Report) || Invasive Species: Regulation S.I. 374/2024 (Ireland) || Invasive Species: The Wildlife (Northern Ireland) Order 1985 || Invasive Species: Detailed Risk Assesment >> High Risk
crfor
(Linnaeus, 1758)
Mollusc
Species
18
8
10
01/01/1902
31/12/2022
27 January (recorded in 2023)
4 December (recorded in 2022)
Collated by the National Biodiversity Data Centre from different sources, National Invasive Species Database, National Biodiversity Data Centre, Ireland, American Slipper Limpet (Crepidula fornicata), accessed 31 August 2025, <https://maps.biodiversityireland.ie/Dataset/397/Species/120451>

Records per month (across all datasets)

Records per year (across all datasets)