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If the cephalopods didn’t exist, would any sci-fi or horror writer even have the imagination to invent them? From tentacles to ink to their amazing camouflage abilities, they seem a creature born into the physical world out of the nightmares of fish.

Cuttlefish camouflage gif
In the video below, from which the animation above was taken, BBC presenter Richard Hammond puts the cuttlefish’s abilities to the test by placing it in an artificial – i.e. human – environment.