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An image of a tilefish
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Tale of the Tilefish

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A WWI poster
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Eat More Fish

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Pearly nacre of a nautilus shell
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Osmena Pearl

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A dumbo octopus.
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A Dumbo Octopus with Curly Arms

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A cuttlefish eye
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Dazzling Eyes

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Two octopuses sitting underwater highlight the different textures the animals can take on.
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A Pair of Octopuses

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A Hawaiian Lure
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Hawaiian Lure

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A Roman mosaic in Pompeii from the 'House of the Dancing Faun'.
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Ancient Octopus of Pompeii

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An octopus catching a fish
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Octopus and Fish

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A cross-section of a nautilus shell is not only beautiful, it also is a great example of the chambered cephalopod shell. The projections splitting each chamber are the siphuncle tubes that allow gas and liquid to be transferred from chamber to chamber. 
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Chambered Shells

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Octopus, squid, cuttlefish, and nautilus all have differently shaped pupils— an octopus has a rectangular pupil.
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Octopus Eyes

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Green lights seen from the ISS
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Green Glow from Space

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