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 ...

Color change in animals is a response shaped by evolution. Each species has developed its own method and reason for this ability, like an overreliance on light or temperature cues, or a physiological ...

This article was originally featured on Hakai Magazine, an online publication about science and society in coastal ecosystems. Read more stories like this at hakaimagazine.com. A person might wear ...

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, ...