Squid color change

Allison Knox, Caribbean reef squid: Sepioteuthis sepioidea, Cephalopods: Cephalopoda, Invertebrates, Marine Life, Mollusks: Mollusca, copyrighted, marine, night, night dive, ocean, underwater, underwater photo

Cephalopods such as this caribbean reef squid can quickly change the color of their skin to blend in with their environment.