Biologist says the massive numbers of jellyfish and algae in Tasmania’s Storm Bay are ‘drivers of harm in the ocean’

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A “magical” swarm of moon jellyfish colliding with algae dazzled onlookers this week, but it comes with a warning.

The bloom of jellyfish – temporary increases in populations – has occurred over the past few weeks in Storm Bay, east of Hobart, and as far as halfway up Tasmania’s east coast. The biologist and jellyfish expert Lisa-ann Gershwin said the population growth was “unprecedented” and had “stepped up dramatically” last month.

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