Barrel jellyfish are the largest jellyfish that appear in UK waters A marine scientist who encountered a huge jellyfish while diving last month has encouraged people to take part in a nationwide ...

The most commonly spotted were the huge barrel jellyfish - but rarer warm-water crystal jellyfish were also seen. The barrel, or “dustbin-lid”, jellyfish can grow to more than one meter in ...

Later on, during the spring, many thousands of big barrel jellyfish started turning up on our beaches. "Both were harmless but these Portuguese man o' war are capable of giving extremely painful ...

Barrel, or dustbin-lid, jellyfish swarm in shallow summer waters, moving in from the open ocean to feed on coastal plankton blooms. As the season turns, cooling water and autumnal winds blowing across ...

Most of the jellyfish along the Catalan coast are relatively harmless species, such as the fried egg (Cotylorhiza tuberculata ...