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

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.

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 ...

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 ...

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 ...

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

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 ...