Cyanea capillata
The world's largest jellyfish, with a bell exceeding 2 metres and trailing tentacles up to 37 metres. It appears in UK waters in late summer and autumn and can deliver a powerful sting. Photographed memorably around Scotland and Ireland.
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Record your Lion's Mane Jellyfish sighting and share it with the community.
Record sightingConservation Status: LC
Least Concern — assessed by the IUCN Red List of Threatened Species.