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Jellyfish: 18 Dangerous Beauties

Pacific Sea Nettles in Long Beach

Pacific Sea Nettles in Long Beach

Pacific Sea Nettles swim in the Aquarium of the Pacific complex in Long Beach, California. The species' stinging cells, called nematocysts, lodge tiny paralyzing barbs into prey, while its long white oral arms begin digestion as it transports the prey to its mouth.

Photo: GABRIEL BOUYS/AFP/Getty Images

Nov 09, 2006