The main species of jellyfish you're likely to encounter on Welsh beaches are: the lion's mane, compass, barrel or root mouth ...

Large blooms of moon jellyfish are being seen from the River Derwent to halfway up Tasmania's east coast. A leading marine scientist has said "an incredible sequence of events" has led to the ...

What you're witnessing is bioluminescence, a key feature of some species of the ethereally quirky moon jellyfish. Its translucent, glowing white-sliver skin is what gives it such an otherworldly ...

In 2006, beaches in Italy and Spain were closed because of a bloom of jellyfish known as mauve stingers. In 2013 a Swedish nuclear plant temporarily shut down because moon jellies were blocking ...

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 ...

It resembles a moon in appearance and is roughly the size ... mostly brownish in colour. The blue jellyfish is often confused ...

A mass of thousands of jellyfish at Hobart’s waterfront dock may look like a natural phenomenon, but a leading scientist has warned its presence indicates something awry in the marine habitat.