Meet nature's poison merchants, animals who deploy deadly toxins through their bite. From the stone fish, to the blue ring octopus, to the scorpion, to the cane toad, these creatures share the unmatched ability to deliver lethal doses to defend themselves or to kill.

Meet nature's poison merchants, animals who deploy deadly toxins through their bite. From the stone fish, to the blue ring octopus, to the scorpion, to the cane toad, these creatures share the unmatched ability to deliver lethal doses to defend themselves or to kill.