Cuttlefish, along with octopuses and squid, are cephalopods—animals from an ancient branch of the tree of life that have been trolling the oceans for more than 500 million years. Cuttlefish were ...

Here's a tongue-twister for you: Crafty cuttlefish can complete contours to carefully choose camouflage. What this means, without all the alliteration, is that the visual systems of these squidlike ...