Species Detail - Masked crab (Corystes cassivelaunus) - Species information displayed is based on the dataset "Water Framework Directive (WFD) Benthos Monitoring (Ireland) 2012 - ongoing".

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
45
22
17
04/02/2013
19/06/2024
6 January (recorded in 2022)
19 December (recorded in 2022)
Marine Institute, Water Framework Directive (WFD) Benthos Monitoring (Ireland) 2012 - ongoing, National Biodiversity Data Centre, Ireland, Masked crab (Corystes cassivelaunus), accessed 15 January 2026, https://maps.biodiversityireland.ie/Dataset/440/Species/17808

Records per month (across all datasets)

Records per year (across all datasets)