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| Its so unique with the transperent head. |
Deep-sea fish have
adapted to their pitch-black environment in a variety of amazing ways. Several
species of deep-water fishes in the family Opisthoproctidae are called
"barreleyes" because their eyes are tubular in shape. Odditycentral.com stated that “The Pacific Barreleye fish gets its name from large
eyes that are literally shaped like barrels, topped with beautiful green
lenses. As well recognized as the Macropinna microstoma, its brain is totally
lucid, filled with fluid.”
This unique creature lives at depths of about 2000
to 2,600 feet and it is hard for us as a normal people to get a chance to see
this creatures face to face. Animalspot.com - stated that the
Barreleye fish were exposed by the marine biologist, Chapman in 1939. They live
near the depth where sunlight from the surface fades to complete blackness. They
use their ultra-sensitive tubular eyes to search for the shadowy silhouettes of
prey overhead. Most of the time, the fish hangs motionless in the water with
its body in a horizontal position and its eyes looking upward.
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