The barreleye is one of the most alien looking creatures in the ocean. At first glance, you may notice that this fish doesn’t have eyes. After all, who needs to see when you live in almost pitch-black waters? Upon closer inspection, the barreleye has two massive, neon green spheres in the middle of its clear skull. What are those you ask? They’re eyes! Turns out, barreleye has two eyes that are locked in position, always looking up through its transparent head. This funny fish scans the waters above, looking for shadows that move above it in order to find its prey.
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