octopus

Dive deep into the realm of creepy aquatic creatures to uncover the world's most bizarre water-dwelling tenants. Among them, a fish with a transparent head shows off everything it's got. Hermaphrodite flatworms battle to determine which among them will be male or female. A master-of-disguise octopus camouflages itself as a rock, a plant and even as a snake, to capture prey or elude pursuit. A lizard literally walks on water, while a fish "walks" on dry land to find a mate, and that's just for starters. (www.youtube.com)

This episode explores the insidious nature of chemical warfare employed by many animals. All manner of snakes, spiders, lizards and marine life have developed venoms, either as weapons of attack or defense.

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