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Whale sharks do the math to avoid that sinking feeling
Date:11/24/2010

at their tail and the more energy they had to invest. The Whale Sharks displayed two broad movement modes, one consisting of shallow ascent angles, which minimize the energetic cost of moving in the horizontal while a second characteristic of steeper ascent angles, optimized the energetic cost of vertical movement.

"These results demonstrate how geometry plays a crucial role in movement strategies for animals moving in 3-dimensions," concluded Gleiss. "This use of negative buoyancy may play a large part in oceanic sharks being able to locate and travel between scarce and unpredictable food sources efficiently."


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Contact: Ben Norman
Lifesciencenews@wiley.com
44-124-377-0375
Wiley-Blackwell
Source:Eurekalert

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