Giant jellyfish spotted off Cornwall coast - BBC News
The huge barrel jellyfish, as big as a human, was seen off the coast of Cornwall.
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).