Mantis shrimp tune their eyes with sunscreen

By Science News Staff, 10:19 AM July 3, 2014

Guest post by Susan Milius

The secret to a mantis shrimp’s ultraviolet vision is, oddly enough, UV-blocking sunscreen.

The mantis shrimp Neogonodactylus oerstedii sees its watery world via 16 kinds of light-detecting photoreceptor cells. Six kinds see only ultraviolet, each photoreceptor especially sensitive to a different wavelength. Yet five photoreceptor types have identical light-detecting pigments, says Michael Bok of Lund University in Sweden.  

Their diverse sensitivities come from differ...

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