Species Detail - Masked crab (Corystes cassivelaunus) - Species information displayed is based on the dataset "Marine sites, habitats and species data collected during the BioMar survey of Ireland.".

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
Corystes cassivelaunus
Masked crab
NBNSYS0000174726 RecommendedWell-formed
N/A
cocas
(Pennant, 1777)
Crustacean
Species
19
12
11
19/04/1994
20/09/1996
6 January (recorded in 2024)
19 December (recorded in 2022)
Trinity College, Marine sites, habitats and species data collected during the BioMar survey of Ireland., National Biodiversity Data Centre, Ireland, Masked crab (Corystes cassivelaunus), accessed 16 July 2025, <https://maps.biodiversityireland.ie/Dataset/258/Species/17808>

Records per month (across all datasets)

Records per year (across all datasets)