The barreleye fish or the Macropinna microstoma, live in the depth of the ocean where sunlight from the surface fades to complete blackness. They use their ultra-sensitive tubular eyes to search for the faint silhouettes of prey overhead. Their eyes rotate within a transparent, fluid-filled shield on its head. The fish's tubular eyes are capped by bright green lenses. The eyes point upward when the fish is looking for food overhead and they point forward when the fish is feeding. The two spots above the fish's mouth are olfactory organs called nares, which are analogous to human nostrils.
Read more:
http://www.mbari.org/news/news_releases/2009/barreleye/barreleye.html
this is useless!!!!
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