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bathypelagic zone
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Diagram showing ocean zonation by depth and region, with labeled layers: littoral, sublittoral, bathyal, abyssal, and hadal along the seafloor, and epipelagic, mesopelagic, bathypelagic, and abyssalpelagic in open water. The littoral zone is at the high-tide mark. Vertical scale marks photic and aphotic zones from surface to 10,000 meters.
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Chutes d'Ekom - a waterfall on the Nkam river in the rainforest near Melong, in the western highlands of Cameroon in Africa.
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bathypelagic zone

oceanography
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bathypelagic zone, Worldwide zone of deep ocean waters, about 3,000–13,000 ft (1,000–4,000 m) below the surface. It is inhabited by a wide variety of marine forms, including eels, fishes, mollusks, and others.

This article was most recently revised and updated by John P. Rafferty.