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Brittlestars Have Eyes in Their Arms

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The sea harbors strange creatures, among them the brittlestar. According to this New Scientist article, brittlestars can 'see' through their arms because of microscopic lens in their skeletons. Since I had no idea what a brittlestar looked like, I went hunting and found this photo of an orange-red brittlestar and a second, striking photograph of a spiny brittlestar. Since this is the Internet, my search also brought up a site where you can buy fossils of echinoderms online, including (naturally) brittlestars.


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