The Pacific Barreleye Fish and Its Weird See-Through Head

The Pacific Barreleye fish gets its name from large eyes that are literally shaped like barrels, topped with beautiful green lenses. Also known as the Macropinna microstoma, its head is completely transparent, filled with fluid. This unique creature lives at depths of around 2000 to 2,600 ft. The Pacific Barreleye’s see-through head may seem weird, […]