This photo shows female-specific iridescent stripes in the skin of the common market squid (Doryteuthis opalescens). Credit: Daniel DeMartini The female common market squid –– AKA Doryteuthis ...

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, ...

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 ...

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 ...