What is Cuttlefish?
{{Taxobox | name = Cuttlefish | image = Georgia Aquarium - Cuttlefish Jan 2006.jpg | image_width = 250px | image_caption = Two cuttlefish interact while a third looks on. [[Georgia Aquarium]] | regnum = [[Animal]]ia | phylum = [[Mollusca]] | classis = [[Cephalopod]]a | subclassis = [[Coleoidea]] | superordo = [[Decapodiformes]] | ordo = '''Sepiida''' | ordo_authority = [[Karl Alfred von Zittel|Zittel]], [[1895]] }} [[File:Cuttlefish.ogv|thumb|270px|Video of a cuttlefish in its natural habitat]] [[File:Cuttlebone.jpg|thumb|right|230px|A cuttlebone from a ''sepia'']] [[File:Cuttlefish color.jpg|thumb|230px|right|This [[Broadclub Cuttlefish]] (''Sepia latimanus'') can go from camouflage tans and browns (top) to yellow with dark highlights (bottom) in less than a second.|alt=Two photos of cuttlefish with dramatically different coloration]] [[File:Sepia latimanus (Reef cuttlefish) dark coloration.jpg|thumb|right|230px| ''[[Sepia latimanus]]'', [[East Timor]]]] [[File:Camouflage.jpg|230px|right|thumbnail|An infant cuttlefish protects itself with camouflage]] '''Cuttlefish''' are [[Ocean|marine]] [[Cephalopod]] [[mollusc]]s. They belong to the same [[class (biology)|class]] as [[squid]], [[octopus|octopodes]] and the [[nautilus]]. Cuttlefish have an internal [[Animal shell|shell]] (called a [[cuttlebone]]), large [[eye]]s, and eight arms and two [[tentacle]]s furnished with finely toothed suckers, with which they grab their [[prey]]. Cuttlefish eat small [[mollusc]]s, [[crab]]s, [[shrimp]], [[fish]] and other cuttlefish. Various [[shark]]s and fish prey on them. They live about 1 to 2 years. == Anatomy == === Cuttlebone === Cuttlefish have an [[internal]] [[cuttlebone]], made of [[calcium carbonate]]. It is porous, full of small holes, The [[buoyancy]] of the cuttlebone can change, allowing the cuttlefish to go lower or higher by changing the amount of [[gas]] and [[liquid]] in its chambers. The cuttlebone of each [[species]] has a distinct shape, size, and pattern of ridges or texture. Cuttlebones are used by [[jew