Bathers still advised to remain wary after venemous jellyfish sightings

by Nick Fitzgerald
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Last week, warning signs were put in place in the Life Guard patrolled areas of Sandycove, due to sightings of the highly venomous Lions Mane jelly fish around Sandycove bay.

Warning signs were taken down on Monday morning, due to there being no remaining traces of jelly fish washed up on the beach.

Dun Laoghaire-Rathdown County Council advises visitors to all beaches to stay on the side of caution as Lions Mane jelly fish may still be out in the bay.

Facts about Lions Mane Jelly Fish

  • The scientific term for this type of jelly fish is Cyanea capillata
  • Cyanea capillata can reach the size of 2 meters in diameter
  • Colours consist of vivid yellow, brown, red and/or orange
  • It is easily distinguished by a mass of long, hair-like tentacles that are arranged in 8 groups of between 70 and 150
  • Tentacle length can reach up to 60 meters
  • Lions Mane jelly fish have a severe sting that can cause blisters, irritation and muscular cramps and may even affect respiratory and heart function
  • The sting usually results in pain and redness in the area affected
  • Tentacles are able to sting a person even after Cyanea capillata are dead

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