Sunday, 28 July 2019

1.5-metre jellyfish spotted off coast of Cornwall

Divers stayed close to giant animal for an hour before it swam away
Mon 15 Jul 2019 11.58 BSTLast modified on Mon 15 Jul 2019 13.45 BST
A giant barrel jellyfish has been spotted off the coast of Cornwall by divers.
“I’ve never seen one that big,” said Lizzie Daly, a biologist who saw the creature near Falmouth. “We had seen a few smaller jellyfish at a beautiful reef nearby, and then out of the murk came this huge, beautiful jelly fish. You just take a double look and ask yourself if it’s actually a metre and a half long.”
She said swimming alongside the “gentle giant” was “such a serene, grounding experience”.
Thousands of the creatures, the largest jellyfish found in British coastal waters, flock through the Atlantic Ocean towards warm coastal waters in the west of the UK each year and are often found washed up on beaches across May and June.
Owing to the late summer, the animals, which normally measure up to about a metre with their tentacles, were still being spotted in south-west England, south Wales and elsewhere. This was not unusual, Daly said, and the sightings were not part of a “freak jellyfish wash-up”.
Daly and an underwater camera operator, Dan Abbott, were diving in Falmouth as part of the online series Wild Ocean Week and stayed with the abnormally large, translucent bell-mushroom-shaped animal for about an hour before it swam away.
The pair said they were not surprised by the animal’s behaviour. “It has got a very mild sting and poses no threat to humans – some people don’t even feel it,” Daly said. “Many people would be immediately worried, but it is not dangerous. Its a majestic creature.”
However, she said her response may have differed if it was a Portuguese man o’ war, which carries a potentially deadly sting.
Dr Michele Kiernan from the Marine Biological Association in Plymouth said little was known about the lifestyles of barrel jellyfish, including where their young live, and that their movements were at the mercy of winds and currents.

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