Nautilus (cephalopod) swimming
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@aronchai they are mostly night feeders, and also tend to swim in deep water. They also have a primitive eye design.
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I wonder why its pupil is so dilated?
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Beautiful.
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How big is this Nautilis? Also, I did not know that Nautilis swin backwards. :D
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intriguing.....really bizarre and ancient animals....groovy looks indeed.
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I eat nautilus for breakfast
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No no Im even A bigger Nautilus fan. ..ok just kidding...they are incredible animals. A living fossil
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No, I'M THE BIGGEST NAUTILUS FAN!!!!!! Lawll =]
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I'm the biggest Nautilus fan in this fucking world!!!! It`s so groovyyyy :)
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The Nautilus is probably about 20cm in diameter. It swims backwards, by ejecting seawater through a ''hyponome'' - a fleshy tube. However, the hyponome is towards the base of the organism, well below its centre of gravity, so squirting out the water creates a jerky, rotating swimming action. Modern squid have the hyponome and centre of gravity 'in line', so they are much more efficient swimmers.
FltLtRocks 1 year ago