Foureye fish can survive on land, if they find themselves stranded at low tide.

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Foureye fish only have two eyes, but each eye is split into two parts, with each part having its own pupil and retina. This allows them to see above and below the water at the same time.

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Foureye fish are “one side maters”, meaning that right-“handed” males only mate with left-“handed” females and vice versa.