How are chameleons and octopus diffrent

Cephalopods have specialized cells in their skin called chromatophores. When the octopus sees something, like a predator or prey, that prompts it to change color, its brain sends a signal to the chromatophores. chameleons do not modify their hues by accumulating or dispersing pigments within their skin cells, the researchers found. Instead, the lizards rely on structural changes that affect how light reflects off their skin