This July 2015 video from the USA says about itself:
Tiger Shark Sinks its Teeth Into Scientific Study
In this video, a tiger shark investigates and eventually bites an underwater hydrophone set up by scientists at the University of Miami to study tiger shark movements.
This is part of a larger collaborative research project on the behavior and ecology of tiger sharks in the subtropical Atlantic Ocean.
To learn more visit: SharkTagging.com.
Read more in National Geographic.
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