The main species of jellyfish you're likely to encounter on Welsh beaches are: the lion's mane, compass, barrel or root mouth ...
Beachgoers have spoken of their surprise at the "surreal" sight of thousands of dead jellyfish washed up on the shore. The moon jellyfish were spotted at Broadsands Beach near Ilfracombe.
The spectacle of thousands of jellyfish at Hobart's waterfront dock may be breathtaking, but a leading scientist has warned ...
WATCH HERE >> Local Tasmanian biologist and expert on marine ecosystems Lisa Gershwin said witnessing the moon jellyfish combined with a bloom of bioluminescent algae, noctiluca scintillans ...