Rise of jellyfish reveals sickness of world’s oceans

Expert fears jellyfish could take over oceans.

The rise of jellyfish populations in many of the world’s oceans may be more than just an inconvenience for swimmers who want to take a dip.

The rapid growth over the last few decades of these creatures is a sign of the planet’s deteriorating marine health, according to expert Lisa-ann Gershwin…

Source

Photo: Tkachenko/Marine