Species Detail - Common Spider Crab (Maja brachydactyla) - Species information displayed is based on the dataset "Marine sites, habitats and species data collected during the BioMar survey of Ireland.".
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).
Maja brachydactyla
Common Spider Crab
NHMSYS0020475548
RecommendedWell-formed
N/A
mabra
Balss, 1922
Crustacean
Species
45
29
17
18/08/1993
16/09/1996
1 January (recorded in 2016)
30 December (recorded in 2019)
Trinity College, Marine sites, habitats and species data collected during the BioMar survey of Ireland., National Biodiversity Data Centre, Ireland, Common Spider Crab (Maja brachydactyla), accessed 16 July 2025, <https://maps.biodiversityireland.ie/Dataset/258/Species/23030>