xwinging: The four-eyed fish, the Anableps. …

xwinging:

The four-eyed fish, the Anableps

An eye of the Anableps is split horizontally by a band of epithelial tissue, giving it two corneas, and two pupils in each eye. This allows it to see above and below the water, as it spends most of its life at the surface of the water to consume insects.