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7 Fun Facts

Cuttlefish

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Cuttlefish can manually control their buoyancy.

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Two hearts are used to pump blood to the cuttlefish's large gills, and the third heart is used to circulate oxygenated blood to the rest of the body.

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Cuttlefish have 8 arms and 2 long tentacles used for feeding.

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Even though it is colorblind, the cuttlefish is a genius at camouflage.

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An outer shell once covered the cuttlefish's body, but has since evolved into a porous internal shell called a cuttlebone.

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The word "cuttle" actually comes from their cuttlebone.

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When a shrimp or fish is in range, the cuttlefish shoots out its two tentacles to seize its prey.