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Kings of Camouflage: Meet the cuttlefish, one of the brainiest, most bizarre animals in the ocean.
Quick Change Artists

Quick Change Artists
See how cuttlefish use their powers for much more than staying hidden.

Spineless Smarts

Spineless Smarts
Animal behaviorist Jean Boal ponders what cephalopods might teach us about our own intellect.

Anatomy of a Cuttlefish

Anatomy of a Cuttlefish
Blue-green blood? Three hearts? Explore what sets cuttlefish apart from other animals.

Mating Trickery

Mating Trickery
Cuttlefish aren't the only wily suitors in the animal kingdom, as this slide show reveals.

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