Octopuses are known for their incredible ability to change color in an instant. This amazing skill isn’t just for show—it ...

"We know a lot about the benefits of the octopus color change system, but until now we have known virtually nothing about the costs. By knowing the costs of color change to the octopus, we have a ...

Add in the octopus’s small size (generally around eight inches), relatively short arms, bell-shaped body, pale coloring, and tendency to hover over the seafloor, and you’ve got a cephalopod ...