The deepest spot in the ocean is called Challenger Deep. Part of the Mariana Trench, it rests at about 11,000 meters below the ocean's surface. The peak of Mt. Everest is about 8,800 meters above sea level, which makes Challenger Deep more than 2,000 meters deeper than Everest is tall. Although most of the ocean's life swims at depths of less than 1,000 meters, the Mariana Trench is not devoid of organisms. Single-celled xenophyophores, sea cucumbers, and bug-like amphipods all make their homes in the deepest segments of the trench, while well-adapted species of fish patrol areas that aren't as far down.
How Deep Is The Mariana Trench?
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Key Facts In This Video
Challenger Deep is about 11,000 meters deep. 00:31
Sunlight cannot reach ocean depths of much more than 1,000 meters. 01:06
The snailfish lives at the deepest depths of any fish ever filmed (around 7,600 meters). 01:28