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At first glance you may mistaken “Barreleyes” (Macropinna Microstoma) to inhabitant landscapes like Planet Degobah.  This animal’s cranium is completely transparent,  allowing it to view potential predators from extreme angles.

Such as directly through the top of its head.

The Barreleye has extremely light-sensitive eyes that can rotate within a transparent, fluid-filled shield on its head. The fish’s tubular eyes are capped by bright green lenses. The eyes point upward when the fish is looking for food overhead. They point forward when the fish is feeding. The two spots above the fish’s mouth are olfactory organs called nares, which are analogous to human nostrils.

Using video cameras, MBARI researchers Bruce Robison and Kim Reisenbichler revealed the fish’s eye movements. When remotely operated vehicles approached the fish, its eyes glowed a vivid green shade in the bright lights of the ROVs. Usually the fish were just hanging out motionless under the deep waters offshore California’s central coast.

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