Pacific barreleye fish: The deep-sea species with a transparent head and rotating green eyes

Far below the sunlit surface of the Pacific Ocean lives a fish that seems to challenge ordinary ideas about anatomy. Known as ...
Discover Wildlife on MSN

The fish’s brain, nervous systems and internal workings of the head are visible. Meet the see-through deep-sea dweller

Down in the twilight zone, this fish’s head is see-through for a reason ...