Species Detail - Common Spider Crab (Maja brachydactyla) - Species information displayed is based on the dataset "iNaturalist Marine Species Records for 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
19
15
11
16/05/2009
10/12/2021
1 January (recorded in 2016)
30 December (recorded in 2019)
iNaturalist, iNaturalist Marine Species Records for Ireland, National Biodiversity Data Centre, Ireland, Common Spider Crab (Maja brachydactyla), accessed 16 July 2025, <https://maps.biodiversityireland.ie/Dataset/387/Species/23030>