The Barreleye Fish’s Amazing Transparent Head

Published September 25, 2013
Updated September 1, 2017

Aptly known as the spook fish, this translucent ocean dweller’s telescope-like eyes face directly upward to keep an eye on potential prey. To enhance its vision, the barreleye’s head is completely transparent, so as to allow its eyes to collect even more incident light and aid in its collection of food. Pretty cool!

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