Do you know which animals harbor one of the most dangerous and deadly toxins? Perhaps it's one you've never heard of: the blue-ringed octopus. The octopuses' toxins hold tetrodotoxin, a paralytic venom. Although they're only the size of the human palm, just one little bite from these sea creatures can kill a human being. Male blue-ringed octopuses use their toxic power to paralyze their larger mates.
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