Where can barrel jellyfish be found?

The barrel jellyfish is the largest jellyfish found in UK seas. They can grow up to 90 cm in length and weigh up to 35 kg. They prefer warmer coastal waters and usually wash up on the beaches in May or June. 

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Barrel jellyfish are also known as dustbin-lid jellyfish as they can grow to the size of dustbin lids!

Barrel jellyfish have 8 arms with frills containing small stinging tentacles which surround hundreds of little mouths. Their sting is too weak to hurt humans. 

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Fun facts

  • Some jellyfish can be very hard to see, nearly invisible to the human eye.
  • A group of jellyfish is called a 'bloom', 'swarm' or 'smack'.
  • Jellyfish don't have a brain. 
  • They live in the sea and are found in all ocean waters.
  • Jellyfish don't have a heart.