Perhaps the most harmless looking creature on the planet, jellyfish make up for their puffy appearance and cloud-like demeanor with a fierce arsenal of pain-inducing, sometimes fatally poisonous, stingers. Called nematocysts, the sharp barbs found along jellyfish tentacles bury into their target to cause painful reactions that can range from mildly irritating to deadly. If you’re stung by a jellyfish, ignore the urge to urinate on it because you saw it on a TV show. Treat your sting correctly with these simple steps.
Last updated: July 29, 2016