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Over 50 deadly Portuguese Man O’ War wash up on beach

A Portuguese Man O’ War Credit: Cornwall Wildlife Trust

Beach walkers are being warned to be careful after more than 50 Portuguese Man O’ War washed up at Cefn Sidan beach in Carmarthenshire.

People are being warned not to walk barefoot on the sand and to keep dogs on leads. A sting from the jellyfish-like creature can be excruciatingly painful, but rarely deadly, even when they are dead.

Carmarthenshire County Council executive board member for tourism Cllr Peter Hughes Griffiths said:

More than 50 of the stinging creatures have been found over a two-mile section of the beach. Rangers have erected signs to warn people entering the beach from Pembrey Country Park.

– Carmarthenshire County Council, Cllr Peter Hughes Griffiths

The man-of-war gets its name from the way it looks - when it floats above the water it somewhat resembles an old warship at full sail.

It's long, thin tendrils are covered in venom-filled nematocysts and can grow longer than 6ft. They are usually found in the Atlantic and Pacific oceans and can reach up to 50 metres below the ocean's surface.

Hundreds of the creatures have washed up on coastlines across south west Wales recently.