Imagine feeling like an elephant is sitting on your chest, you can't breathe, there's a sense of impending doom and the pain is so intense you want to die. You've just been stung by a tiny Irukandji jellyfish. While you won't die, James Cook University toxicologist professor Jamie Seymour says you'll wish you had. He should know -- he's been stung 11 times. But Seymour's job is riskier than most: milking sea creatures of their venom to create life-saving anti-venoms. A VOICED AFPTV REPORT