"Irukandji jellyfish's stings are so severe they can cause fatal brain hemorrhages and on average send 50-100 people to the hospital annually." "Researchers fo

"Irukandji jellyfish's stings are so severe they can cause fatal brain hemorrhages and on average send 50-100 people to the hospital annually." "Researchers found that vinegar promotes the discharge of jellyfish venom. "You can increase the venom load in your victim by 50 per cent,"" Apparently turtles eat them.