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[nek-ton, -tuh n] /ˈnɛk tɒn, -tən/

the aggregate of actively swimming aquatic organisms in a body of water, able to move independently of water currents.
the population of free-swimming animals that inhabits the middle depths of a sea or lake Compare plankton

1893, from German nekton (van Heusen, 1890), from Greek nekton, neuter of nektos “swimming,” from nekhein “to swim” (see natatorium).
(něk’tən, -tŏn’)
The collection of marine and freshwater organisms that can swim freely and are generally independent of currents, ranging in size from microscopic organisms to whales. Compare benthos, plankton.


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