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  1. An octopus changes color depending on its surroundings; this is done to protect itself from predators.
  2. Octopi are most often a mottled (when they are seen at all due to their effective camouflage) brown, ochre, sienna or other "earthy" color.
  3. They can change color to blend with surroundings nearly instantly for protection or "flash" colors to warn or intimidate other creatures.

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