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 ...

Here’s what you’ll learn when you read this story: Xanthommatin is one of the pigments that helps octopuses, cuttlefish, and squid change color. Xanthommatin used to be difficult to produce in a lab, ...

Xanthommatin is one of the pigments that helps octopuses, cuttlefish, and squid change color. Xanthommatin used to be difficult to produce in a lab, but a new method tricks genetically modified ...