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Title: Devils Hole Pupfish--Shaken, not Stirred
In this video excerpt, we see motion from two video surveillance cameras capturing continuous daytime video data on pupfish spawning, and as seen here, other occurrences. The cameras are positioned approximately four feet above the water surface and one underwater.
The water at Devils Hole is generally very still and although clear, quite stagnant. Thus, the movement seen in this video is thought to represent a fairly great disturbance to the shallow feeding/spawning shelf. The shelf substrate, consisting largely of sand, gravel, and cobble, was largely redistributed as a result, changing the topography fairly drastically. The entire video (not shown) shows fish returning to the shelf starting about five minutes after the water movement ceases.
Location: Devils Hole, NV, USA
Date Taken: 4/4/2010
Video Producer: Ambre Chaudoin , U.S. Geological Survey
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Additional Video Credits:
In partnership with U.S. Fish and Wildlife Service, the National Park Service, and the Nevada Department of Wildlife.
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