sentence: Some octopuses can use their chromatophores for more than camouflage.
sentences_after: If they are not blending in with their surroundings, they can signal their feelings using color. When they are relaxed, for example, they are a dull, grayish brown or orange-tinged color. When they become angry, they can become red. If they feel scared, they may turn white.
concept_name: octopus
headings: Octopus Colors
categories: Cephalopods