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Cuttlefish (Sepiida) resemble squid, but despite their name they actually are mollusks. They will often range in size between 15 cm and 25 cm. Cuttlefish consist of eight arms and two tentacles. Much like the octopus, the Cuttlefish can change both color and texture to camouflage itself in the surrounding habitat. In order to accomplish this feat they use the muscles in their dermis to change the texture and due to thousands of pigment cells they are able to disguise themselves very quickly.