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mesopelagic

   Also found in: Wikipedia 0.01 sec.
mes·o·pe·lag·ic  (mz-p-ljk, ms-)
adj.
Of, relating to, or living at ocean depths between about 180 and 900 meters (600 and 3,000 feet): mesopelagic organisms.

mesopelagic [ˌmɛsəʊpəˈlædʒɪk]
adj
(Life Sciences & Allied Applications / Biology) of, relating to, or inhabiting the intermediate depths of the ocean between approximately 100 and 1000 metres


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In the bathy- and mesopelagic zones - the largest 3D deep-sea living space - animals either have to cope somehow with food scarcity or migrate long distances up to find food," said MAR-ECO project leader Odd Aksel Bergstad of University of Bergen.
At 200 meters deep, the diver would cross from the surface realm (called the epipelagic zone), where there is enough sunlight for photosynthesis, to the twilight realm (called the mesopelagic zone), where enough sunlight penetrates for vision, but not for photosynthesis.
The northern lampfish (Stenobrachius leucopsarus, family Myctophidae) and northern smoothtongue (Leuroglossus schmidti, family Bathylagidae) are mesopelagic fishes, defined by their vertical distribution in the mesopelagic zone (200-1000 m) during daylight hours.
 
 
 
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