R lyeh is a sunken city in the south pacific and the prison of the entity called cthulhu.
Dark ocean floor.
The ocean is divided into three zones based on depth and light level.
Bathypelagic zone midnight zone the bathypelagic layer is found between 3 281 feet and 12 124 feet just above the abyss.
Sunlight entering the water may travel about 1 000 meters 3 280 feet into the ocean under the right conditions but there is rarely any significant light beyond 200 meters 656 feet.
Only a small fraction of the seafloor has ever been mapped at high resolution.
Until the development of sonar we knew very little about the ocean floor.
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Adaptation is the name of the game when you live thousands of feet below the water s surface.
Although some sea creatures depend on light to live others can do without it.
Scientific research submersibles have explored the ocean s deepest trenches.
This layer is also called the midnight or the dark zone.
Lovecraft short story the call of cthulhu first published in weird tales in june 1928.
See how these deep sea denizens make the most of their deep dark home.
The deep ocean is dark very cold and has tremendous pressure from the overlying water.
Your instinct was right.
But despite their name these plains are not uniformly flat.
Scuba divers can explore only to about 40 meters while most submarines dive only to about 500 meters.
R lyeh is a fictional lost city that was first documented in the h.
The lines you have pointed out are actually mapping anomalies.
These black smokers are caused by volcanic activity at mid ocean ridges.
At depths of over 10 000 feet and covering 70 of the ocean floor abyssal plains are the largest habitat on earth.
Detailed maps require expensive specially equipped boats.
Deep in the pacific ocean near china is the mariana trench the deepest part of the ocean.
Sunlight does not penetrate to the sea floor making these deep dark ecosystems less productive than those along the continental shelf.