Snakes, like other reptiles, have a skin covered in a scale. Snakes are entirely covered with a scale or scutes of various shapes and sizes, known as snakeskin as a whole. A scale protect the body of the snake, aid it in locomotion, allow moisture to be retained within, alter the surface characteristics such as roughness to aid in camouflage, and in some cases even aid in prey capture. The simple or complex colouration patterns are a property of the underlying skin, but the folded nature of scaled skin allows bright skin to be concealed between scales then revealed in order to startle predators.

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