- By Supratik Das
 - Mon, 03 Nov 2025 10:35 PM (IST)
 
- Source:JND
 
An urgent warning has been issued to beachgoers in Wales after several Portuguese Man O’ War, often described as “Floating Terrors” were discovered washed ashore along the Aberavon Beach coastline. Authorities have cautioned the public to remain alert and avoid contact with these creatures, whose venomous tentacles can still deliver painful and potentially dangerous stings even after death.
Coast Guard Issues Public Safety Alert
The Port Talbot Coastguard confirmed multiple sightings of the Portuguese Man O’ War over the weekend. Officials have urged visitors and residents to keep their distance and refrain from touching or moving the sea organisms. “Do not touch these creatures, even if they appear dead,” the Coastguard said in a statement. “Their tentacles remain venomous and can still cause serious injury.”
The Coastguard added that the creatures are likely to be swept back into the sea with the tide and that active removal operations are not currently planned.
Highly Venomous Marine Drifters
Often mistaken for jellyfish, the Portuguese Man O’ War (Physalia physalis) is actually a siphonophore, a colony of small, specialised organisms that function together as one. Its translucent, balloon-like float can appear blue, violet, or pink and often measures up to 30 centimetres long, with tentacles extending as far as 30 metres underwater.
Marine experts describe the species as one of the world’s most venomous sea creatures. Its sting can cause severe pain, red welts, and blisters. In rare cases, victims have experienced allergic reactions, breathing difficulties, and even heart complications. “The stings are extremely painful and can result in fever, shock, or respiratory distress,” said a marine biologist from the UK Wildlife Trusts. “Even detached tentacles pose a risk, as the venom remains active for several days.”
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Recent Surge In Sightings Across Wales
Sightings of the Portuguese Man O’ War have increased across the Welsh coastline in recent months. Similar incidents were reported in Pembrokeshire, Gwynedd, and Anglesey earlier this year, often following periods of rough seas or strong winds that push these marine drifters toward shore.
Marine authorities have advised coastal communities to remain cautious, especially during windy weather. “These organisms are often carried in by the wind and tides. People should stay vigilant when visiting beaches,” officials said.
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Known for their iridescent beauty and long trailing tentacles, the Portuguese Man O’ War continues to captivate and alarm in equal measure. While their stings are rarely fatal, they can cause severe pain and medical emergencies.
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