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    Home»Animals»Sea Urchins Will Put on Tiny Hats if You Give One to Them
    riosouza on Reef2reef blog
    Animals

    Sea Urchins Will Put on Tiny Hats if You Give One to Them

    Breana CeballosBy Breana CeballosNovember 27, 20201 Min Read
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    A fun fact that I learned on Twitter is that sea urchins will put on a tiny hat if you give one to them. And marine biologists have been doing just that. 3D printing a bunch of differently styled hats and taking pictures much to our enjoyment.

    I was today years old when I learned that sea urchins naturally use shells as hats to make them feel safer and camouflaged so some aquarists had the genius idea to make them tiny hats pic.twitter.com/z8IcJx7fBI

    — living morganism 🌱 (@ok_girlfriend) November 22, 2020

    In nature sea urchins will use shells as hats. They use their use their tube feet and spines to move the hat onto the part of their body where UV rays might touch. The theory is that they do this to protect their bodies from the harmful rays, just like humans do with baseball caps on a bright sunny day.

    Riosouza on Reef2reef has been 3D printing these hats which come in all kinds of shapes and sizes. Check out some of them below.

    riosouza
    riosouza
    riosouza

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    Breana Ceballos
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    Anime enthusiast, Hearthstone Battleground addict.

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