VISITORS to Welsh beaches have been warned not to touch unusual blue sea creatures which have washed ashore along parts of the coastline. Hundreds of velella velella, commonly known as by-the-wind sailors, have been reported on beaches in Anglesey, Gwynedd and Tenby. The small, bright blue marine creatures are free-floating hydrozoans and are related to Portuguese man o’ war, sea anemones and corals. They get their name from a small sail-like st…
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