Large blooms of moon jellyfish are being seen from the River ... said these blooms were "red flags" the marine environment was off-kilter. "This cascade of blooms of species … indicates that ...

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.

(Image: Getty Images) The Moon jellyfish is the "most common" jellyfish ... BBC's Countryfile explains "The sting tends to be ...