Octopuses change color to camouflage themselves from predators such as stingrays and eels. Octopuses have even been observed changing color in their sleep. Octopus's color-changing ability is known as ...

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Forbes contributors publish independent expert analyses and insights. GrrlScientist writes about evolution, ecology, behavior and health. You might not realize this, but quickly changing colors, as ...

For the first time ever, marine biologists have measured how much energy octopuses really need to change color — and it's a lot. When you purchase through links on our site, we may earn an affiliate ...

Why do octopuses change color? Octopuses, like this young female Giant Pacific Octopus at Birch Aquarium at Scripps, change color to evade predators. (Photo Courtesy of Birch Aquarium at Scripps, ...