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Jellyfish in Cornwall

Through the summer months we will often see different types of jellyfish.

They can be a variety of different colours, shapes and sizes.

Compass Jellyfish (Chrysaora hysoscella)

  • It has 16 brown 'V' marked shapes radiating outwards from a dark central spot on the top of the bell
  • Can be a variety of brown or orange colours
  • Up to 30cm in diameter
  • Found around the British coast but most common around the south and west

Moon Jellyfish (Aurelia aurita)

  • Colourless with a violet/ blue tinge
  • Saucer shaped bell
  • Lots of small tentacles
  • Found around the British coast and sometimes seen in estuaries
  • Feed on planktonic species such as molluscs and crust