Species Detail - Common Spider Crab (Maja brachydactyla) - Species information displayed is based on the dataset "SeaSearch records from Irish coastal waters".
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
344
96
43
22/08/2005
16/10/2021
1 January (recorded in 2016)
30 December (recorded in 2019)
Seasearch, SeaSearch records from Irish coastal waters, National Biodiversity Data Centre, Ireland, Common Spider Crab (Maja brachydactyla), accessed 28 December 2025, https://maps.biodiversityireland.ie/Dataset/158/Species/23030