Species Detail - Signal Crayfish (Pacifastacus leniusculus) - Species information displayed is based on all datasets.
Terrestrial Map - 10km
Terrestrial Map - 10km
Distribution of the number of records recorded within each 10km grid square (ITM).Marine Map - 50km
Marine Map - 50km
Distribution of the number of records recorded within each 50km grid square (WGS84)._0.jpg)
_1.jpg){kind=link}
Pacifastacus leniusculus
Signal Crayfish
NHMSYS0000377494
RecommendedWell-formed
Invasive Species: EU Invasive Alien Species Regulation No. 1143/2014 || Invasive Species: Regulation S.I. 477/2011 (Ireland) || Invasive Species: Detailed Risk Assesment || Invasive Species: Regulation S.I. 374/2024 (Ireland) || Invasive Species: Detailed Risk Assesment >> High Risk
palen
(Dana, 1852)
Crustacean
Species
0
0
0
N/A
N/A
N/A
N/A
National Biodiversity Data Centre, Ireland, Signal Crayfish (Pacifastacus leniusculus), accessed 01 September 2025, <https://maps.biodiversityireland.ie/Species/21754>