The Lion’s Mane jellyfish is a boreal species that favours cold waters and are mostly spotted on Dublin’s beaches around late summer into Autumn.
Dr Damien Haberlin, Researcher at MaREI, the SFI Research Centre for Energy, Climate and Marine, said Dublin Bay and Hollyhead are hotspots for the jellyfish.
“In the context of Ireland you get most of them in the Irish Sea, and from our research, we found that around Dublin you tend to get more of them. Dublin Bay seems to be a bit of a hotspot, and also, around Hollyhead”
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Lion's Mane Jellyfish
Footage of a Lion's Mane in Killary Harbour taken by Dr Damien Haberlin