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Marine Life Adaptations to Light

  
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The hatchet fish is well prepared for the midwater ocean's light levels. Bright silver sides reflect whatever light surrounds it. Long, tubular eyes capture and detect low light levels. Living at depths from 200 to 1000 meters, it has ventral (underside) light organs that can produce bioluminescence to match light coming from above, making it less visible from below. (Photo by Larry Madin, Woods Hole Oceanographic Institution)

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Posted: May 16, 2013

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