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 ...

Octopuses are renowned for their instant color-changing abilities, a skill they use to outwit predators and surprise prey. Yet, the energy cost behind this extraordinary camouflage has remained a ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. It’s not easy being green–or blue, or purple, or orange–at ...

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 ...

Colour change in animals can occur over different timescales and aids communication and camouflage. Direct evidence of the associated energetic costs has been lacking, but now an experimental study of ...

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 ...