Species Detail - Virile Crayfish (Orconectes virilis) - 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

Species image

Orconectes virilis
Virile Crayfish
NHMSYS0020499911 RecommendedWell-formed
Invasive Species: EU Invasive Alien Species Regulation No. 1143/2014 || Invasive Species: Regulation S.I. 477/2011 (Ireland) || Invasive Species: Regulation S.I. 374/2024 (Ireland)
orvir
(Hagen, 1870)
Crustacean
Species
0
0
0
N/A
N/A
N/A
N/A
National Biodiversity Data Centre, Ireland, Virile Crayfish (Orconectes virilis), accessed 01 September 2025, <https://maps.biodiversityireland.ie/Species/23114>

Records per month (across all datasets)

Records per year (across all datasets)