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'Incredible' blue sea creatures appear on beaches

'Incredible' blue sea creatures appear on beaches

Summary

Hundreds of small blue sea creatures called by-the-wind sailors have appeared on beaches in Cumbria. These creatures use a tiny sail to move across the ocean and can sting mildly, even when washed up on shore.

Key Facts

  • The creatures are called Velella velella, or by-the-wind sailors.
  • They have a small stiff sail that catches the wind and moves them on the ocean's surface.
  • They are related to Portuguese man o' war but are not jellyfish.
  • Each by-the-wind sailor is a floating colony made of many tiny animals working together.
  • They can sting mildly, so people are advised not to touch them.
  • Thousands can wash up on shores after strong, steady onshore winds.
  • These creatures are about 2 inches (5 cm) long and have a blue translucent sail.
  • The recent sightings were at St Bees beach in Cumbria.
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