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  2. Hadal zone - Wikipedia

    en.wikipedia.org/wiki/Hadal_zone

    The hadal zone, also known as the hadopelagic zone, is the deepest region of the ocean, lying within oceanic trenches.The hadal zone ranges from around 6 to 11 km (3.7 to 6.8 mi; 20,000 to 36,000 ft) below sea level, and exists in long, narrow, topographic V-shaped depressions.

  3. Pseudoliparis swirei - Wikipedia

    en.wikipedia.org/wiki/Pseudoliparis_swirei

    Pseudoliparis swirei, the Mariana snailfish or Mariana hadal snailfish, is a species of snailfish found at hadal depths in the Mariana Trench in the western Pacific ...

  4. Pelagic zone - Wikipedia

    en.wikipedia.org/wiki/Pelagic_zone

    Altogether, the pelagic zone occupies 1,330 million km 3 (320 million mi 3) with a mean depth of 3.68 km (2.29 mi) and maximum depth of 11 km (6.8 mi). [2] [3] [4] Pelagic life decreases as depth increases. The pelagic zone contrasts with the benthic and demersal zones at the bottom of the sea. The benthic zone is the ecological region at the ...

  5. Pelagic fish - Wikipedia

    en.wikipedia.org/wiki/Pelagic_fish

    The photic zone allows sufficient light for phytoplankton to photosynthesize. [6] A vast habitat for most pelagic fish, the epipelagic zone is well lit so visual predators can use their eyesight, is usually well mixed and oxygenated from wave action, and can be a good habitat for algae to grow. However, it is an almost featureless habitat.

  6. Deep-sea expedition captures stunning images of creatures in ...

    www.aol.com/scientists-capture-stunning-images...

    The 45-day expedition to the Clarion-Clipperton Zone, which wrapped March 20, documented biodiversity in the abyssal plain. Using a remotely operated vehicle, the team on board the UK research ...

  7. Explore the Mysterious World of the Glass Squid and Its ...

    www.aol.com/explore-mysterious-world-glass-squid...

    Why Scientists Are Racing to Learn All They Can About the Ocean’s Twilight Zone Creatures. Hidden deep in the ocean floor are nodules of precious materials such as cobalt, copper, manganese ...

  8. Oceanic zone - Wikipedia

    en.wikipedia.org/wiki/Oceanic_zone

    The oceanic zone is typically defined as the area of the ocean lying beyond the continental shelf (e.g. the neritic zone), but operationally is often referred to as beginning where the water depths drop to below 200 metres (660 ft), seaward from the coast into the open ocean with its pelagic zone.

  9. Marine biology - Wikipedia

    en.wikipedia.org/wiki/Marine_biology

    Zones which vary according to their depth include the epipelagic, mesopelagic, bathypelagic, abyssopelagic, and hadopelagic zones. Zones which vary by the amount of light they receive include the photic and aphotic zones. Much of the aphotic zone's energy is supplied by the open ocean in the form of detritus.