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'Pied piper' robot could lead fish away from harm
It may not look particularly appealing to the likes of you or me, but the robot fish  is so cool that real ones will follow its lead.
 

Researchers from Polytechnic Institute of New York University designed their fish to mimic the tail propulsion of a real swimming fish, and tested it out with a variety of tail beat frequencies and flow speeds.

In nature, fish at the front of a school beat their tails more frequently, creating a wake in which their followers gather. The followers' tails swish noticeably more slowly, leading researchers to believe that they're getting a hydrodynamic advantage from the leaders’ hard work.

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GLOUCESTER DAILY TIMES: Protecting the striped bass

April 23, 2015 -- The news is not quite so good for the striped bass.

Once touted as one of the great conservation success stories of the 1990s, the popular game fish has seen a precipitous drop in numbers in recent years, prompting the state Department of Marine Fisheries to tighten restrictions on recreational anglers.