The Moon Jellyfish is transparent and grows up to 40cm wide. It is shaped like an umbrella and has short hair-like tentacles around the edges, and four rings towards centre. They are mostly harmless to humans, though may sting sensitive skin.
Moon jellyfish are very common all around the UK, especially in sheltered waters in the west of Scotland. You can sometimes see large numbers of these jellies when our chilly seas begin to warm up, or cool down. When this happens, it is known as a jellyfish bloom.
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