Species Detail - Barrel Jellyfish (Rhizostoma octopus) - Species information displayed is based on the dataset "General Biodiversity Records from 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
Rhizostoma octopus
Barrel Jellyfish
NBNSYS0000177675 RecommendedWell-formed
N/A
rhoct
(Linnaeus, 1758)
Coelenterate (=cnidarian)
Species
1
1
1
05/06/2016
05/06/2016
1 January (recorded in 2023)
29 December (recorded in 2022)
Collated by the National Biodiversity Data Centre from different sources, General Biodiversity Records from Ireland, National Biodiversity Data Centre, Ireland, Barrel Jellyfish (Rhizostoma octopus), accessed 14 June 2025, <https://maps.biodiversityireland.ie/Dataset/7/Species/16198>

Records per month (across all datasets)

Records per year (across all datasets)