Divers have swum with a huge barrel jellyfish off the coast of Cornwall.
Lizzie Daly, a biologist with Wild Ocean Week, said the creature was as big as her body.
It is the largest species of jellyfish which is found in British waters, with the average diameter being about 40cm (16 inches).
Image by underwater cameraman Dan Abbott.
Please subscribe HERE http://bit.ly/1rbfUog