Dublin People

Lions Mane jellyfish spotted on Northside beach

Fingal County Council has released a statement after a member of the public spotted a large amount of Lions Mane jellyfish on Donabate Beach last Sunday.

These may be spotted at other beaches. Bathers should be vigilant, a sting from a Lion’s Mane jellyfish can cause nausea, cramps, headache.

“Fingal County Council wishes to advise that from the middle of August and up to the second week of September, conditions are ideal for Lions Mane jellyfish: there will be a noticeable increase in their numbers on our beaches and in our waters,” the local authority said.

“Fingal County Council is urging bathers to be extra vigilant on all of our beaches where Lions Mane jellyfish are found.

“Please note that even when they’re dead and washed up on the beach, the venom stays in their tentacles for a few days.

“With so many long trailing tentacles there is a chance you could still get stung, even when you try not to swim near them. Also, fragments of the lion’s mane jellyfish’s tentacles that break off in the water will sting you, even if they’re no longer attached to the jellyfish.

“A sting from a Lion’s Mane jellyfish can cause nausea, sweating, cramps, headaches and other symptoms and severe stings should seek urgent medical attention.”

Where the lifeguards have noticed a large number of Lions Mane jellyfish, they may raise the red flag to advise against swimming. If you are stung on a lifeguarded beach – please approach the lifeguards on duty for assistance.

Please note that as the bathing season has ended, lifeguards will only be on duty  on Velvet Strand, Portmarnock (Blue Flag) this weekend only.

First aid for the treatment of jellyfish stings:

What not to do:

Information is available from HSE here, including a link to the Jellyfish ID Card: https://www.hse.ie/eng/health/hl/water/bathing/jellyfish-in-irish-coastal-waters.html

Parents and guardians of small children are advised to keep watch over their children at all times.

Water quality information will be available on the beach noticeboard and also available on beaches.ie

For your safety we advise that you never drink and dive.

For more water safety tips, please see watersafety.ie

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