The ocean's midnight zone, also called the bathypelagic zone, spans from 1,000 to 4,000 meters (3,300 to 13,100 feet) below the surface.
Sources
- Remarkable new swimming sea slug in the deep sea | ScienceDaily (sciencedaily.com)
- https://www.whoi.edu/ocean-learning-hub/ocean-topics/how-the-ocean-works/ocean-zones/midnight-zone/ (whoi.edu)
- https://oceanservice.noaa.gov/facts/light_travel.html (oceanservice.noaa.gov)
- https://ocean.si.edu/ecosystems/deep-sea/deep-sea (ocean.si.edu)
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