elayesildogan: The Striped catshark extracts aragonite from sea salt to build a series of mirrors on the back its eyes. This allows it to see 10 times better then humans underwater in low light.©Craig Foster/Sea Change Project

elayesildogan: The Striped catshark extracts aragonite from sea salt to build a series of mirrors on the back its eyes. This allows it to see 10 times better then humans underwater in low light.©Craig Foster/Sea Change Project

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from: https://www.tumblr.com/blog/view/clingnebula/184758308884