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Dangerous giant jellyfish spotted in Irish waters will be taken out by the tide next week

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A Lion's Mane Jellyfish spotted in Templetown

A Lion's Mane Jellyfish spotted in Templetown

A Lion's Mane Jellyfish spotted in Templetown

The numbers of dangerous Lion’s Mane jellyfish present in waters along Ireland’s east coast will reduce by next week, an Irish Water Safety spokesperson has said.

The dangerous creatures, which give a particularly nasty sting and can send swimmers into analphylatic shock, descended on the east’s seaside hotspots this week after they were brought in by the spring tide.

The giant jellyfish have been pictured in Templetown and Bettystown this week, and Irish Water Safety has urged swimmers to beware of the creatures until the tide takes the majority of them out to sea by next Tuesday.

John Leech of Irish Water Safety said: “The tide will slowly recede from today until next Tuesday when we will have neap tides. So we will still have strong rip currents until about Friday or Saturday.”

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The Lion's Mane jellyfish can reach a diameter of 2m, but are normally much smaller. They have 150 tentacles each and their colour ranges from deep red to yellow. Photo: IWS

The Lion's Mane jellyfish can reach a diameter of 2m, but are normally much smaller. They have 150 tentacles each and their colour ranges from deep red to yellow. Photo: IWS

The Lion's Mane jellyfish can reach a diameter of 2m, but are normally much smaller. They have 150 tentacles each and their colour ranges from deep red to yellow. Photo: IWS

“The number of jellyfish in the water should ease off when the tide goes out again, there will be fewer of them,” he said.

Although the numbers of Lion’s Mane jellyfish in the water will reduce by Tuesday, the water safety expert said swimmers should still be prepared for a run-in with a hanger-on, as their stings are particularly painful and can be the cause for a trip to A&E.

"Everyone who is swimming this week in beaches along the East coast should be conscious of these Lion’s Mane jellyfish, which have been brought in with the spring tide in their numbers,” he said.

“They have the potential to cause an anaphylactic reaction in someone who is stung, if they should be allergic, but much like a bee sting, you don’t know until you’ve been stung.

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Three year old Saoirse Gallagher  with Alex [8] and Evie [5] Doyle from Cabra, cool down the water on Dublin's Dollymount Strand.
 Picture Credit : Frank Mc Grath
18/7/16

Three year old Saoirse Gallagher with Alex [8] and Evie [5] Doyle from Cabra, cool down the water on Dublin's Dollymount Strand. Picture Credit : Frank Mc Grath 18/7/16

18/07/16 People out enjoying the good weather at Forty foot, Sandycove ,Dublin this afternoon..Pic Stephen Collins/Collins Photos

18/07/16 People out enjoying the good weather at Forty foot, Sandycove ,Dublin this afternoon..Pic Stephen Collins/Collins Photos

18/07/16 People out enjoying the good weather at Forty foot, Sandycove ,Dublin this afternoon..Pic Stephen Collins/Collins Photos

18/07/16 People out enjoying the good weather at Forty foot, Sandycove ,Dublin this afternoon..Pic Stephen Collins/Collins Photos

18/07/16 People out enjoying the good weather at Forty foot, Sandycove ,Dublin this afternoon..Pic Stephen Collins/Collins Photos

18/07/16 People out enjoying the good weather at Forty foot, Sandycove ,Dublin this afternoon..Pic Stephen Collins/Collins Photos

18/07/16 People out enjoying the good weather at Forty foot, Sandycove ,Dublin this afternoon..Pic Stephen Collins/Collins Photos

18/07/16 People out enjoying the good weather at Forty foot, Sandycove ,Dublin this afternoon..Pic Stephen Collins/Collins Photos

18/07/16Enjoying the good weather at Forty foot, Sandycove ,Dublin this afternoon..Pic Stephen Collins/Collins Photos

18/07/16Enjoying the good weather at Forty foot, Sandycove ,Dublin this afternoon..Pic Stephen Collins/Collins Photos

19/7/16 Kara Hinch, age 4 and Ryleigh Coulahan, age 3, Tallaght, enjoying the great weather at the Forty Foot in Sandycove, Dublin. Pictures:Arthur Carron

19/7/16 Kara Hinch, age 4 and Ryleigh Coulahan, age 3, Tallaght, enjoying the great weather at the Forty Foot in Sandycove, Dublin. Pictures:Arthur Carron

19/7/16 People enjoying the great weather at the Forty Foot in Sandycove, Dublin. Pictures:Arthur Carron

19/7/16 People enjoying the great weather at the Forty Foot in Sandycove, Dublin. Pictures:Arthur Carron

19/7/16 People enjoying the great weather at the Forty Foot in Sandycove, Dublin. Pictures:Arthur Carron

19/7/16 People enjoying the great weather at the Forty Foot in Sandycove, Dublin. Pictures:Arthur Carron

19/7/16 Eve Craven, age 5, and her brother Isaac, age 2, Killiney, enjoying the great weather at the Forty Foot in Sandycove, Dublin. Pictures:Arthur Carron

19/7/16 Eve Craven, age 5, and her brother Isaac, age 2, Killiney, enjoying the great weather at the Forty Foot in Sandycove, Dublin. Pictures:Arthur Carron

Sun, Sea, Sand and an Ice Cream... Two and a half year old Callum Mulholland from Finglas cools down with and ice cream  on Dublin's Dollymount Strand. Picture Credit : Frank Mc Grath
18/7/16

Sun, Sea, Sand and an Ice Cream... Two and a half year old Callum Mulholland from Finglas cools down with and ice cream on Dublin's Dollymount Strand. Picture Credit : Frank Mc Grath 18/7/16

Ten year old Ella Troy jumps off the sandunes with Aidan [7] and Cian [6] Cullen from Santry, on Dublin's Dollymount Strand. Picture Credit : Frank Mc Grath
18/7/16

Ten year old Ella Troy jumps off the sandunes with Aidan [7] and Cian [6] Cullen from Santry, on Dublin's Dollymount Strand. Picture Credit : Frank Mc Grath 18/7/16

Demi Ryan, 4, from Crumlin enjoys the good weather on Sandymount beach in Dublin. Picture credit; Damien Eagers 18/7/2016

Demi Ryan, 4, from Crumlin enjoys the good weather on Sandymount beach in Dublin. Picture credit; Damien Eagers 18/7/2016

Demi Ryan, 4, left, and Maya Courtney, 4 from Crumlin enjoys the good weather on Sandymount beach in Dublin. Picture credit; Damien Eagers 18/7/2016

Demi Ryan, 4, left, and Maya Courtney, 4 from Crumlin enjoys the good weather on Sandymount beach in Dublin. Picture credit; Damien Eagers 18/7/2016

Tuesday 19 July 2016. Photo: Douglas O'Connor. Portmarnock Beach. Enjoying the sunshine: Ava Moran (3) Isabella Dodrill (7) Harry Moran (7) from Blanchardstown.

Tuesday 19 July 2016. Photo: Douglas O'Connor. Portmarnock Beach. Enjoying the sunshine: Ava Moran (3) Isabella Dodrill (7) Harry Moran (7) from Blanchardstown.

Tuesday 19 July 2016. Photo: Douglas O'Connor. Portmarnock Beach. Enjoying the sunshine.

Tuesday 19 July 2016. Photo: Douglas O'Connor. Portmarnock Beach. Enjoying the sunshine.

Tuesday 19 July 2016. Photo: Douglas O'Connor. Portmarnock Beach. Enjoying the sunshine. Shay's Burger Van.

Tuesday 19 July 2016. Photo: Douglas O'Connor. Portmarnock Beach. Enjoying the sunshine. Shay's Burger Van.

Tuesday 19 July 2016. Photo: Douglas O'Connor. Portmarnock Beach. Enjoying the sunshine: Kate Spila from Maynooth with her son Adam (3) and her nephew Daniel Spila (4)

Tuesday 19 July 2016. Photo: Douglas O'Connor. Portmarnock Beach. Enjoying the sunshine: Kate Spila from Maynooth with her son Adam (3) and her nephew Daniel Spila (4)

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Three year old Saoirse Gallagher with Alex [8] and Evie [5] Doyle from Cabra, cool down the water on Dublin's Dollymount Strand. Picture Credit : Frank Mc Grath 18/7/16

“We have seen a number of people hospitalised from this jellyfish and its sting is quite painful and different to other jellyfish found in Irish waters.

“The sting from their tentacles may last for days after they have died,” he said.

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A Lion's Mane Jellyfish spotted in Bettystown

A Lion's Mane Jellyfish spotted in Bettystown

A Lion's Mane Jellyfish spotted in Bettystown

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The Lion’s Mane jellyfish can have a diameter of up to 2 metres and has more than 150 tentacles. The creatures range in colour from deep red to yellow.

Swimmers in Galway and Mayo need not think they are totally safe from a nasty sting from a Lion’s Mane either, as they have also been spotted on the West coast, albeit in much smaller numbers.

Meanwhile, the Irish Water Safety spokesperson also revealed that peeing on a jellyfish sting is an old wives’ tale and will not alleviate the pain.

“If you get stung, you need to wash it with salt water and remove the tentacles as soon as you can. Place a dry cold pack against it. As with anything, if the pain does not die down or the sting appears particularly bad, seek medical attention and go to A&E,” he said.


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