Shark Gangsters

Nature Shock: Shark Gangsters

A mysterious pack of blacktip sharks has arrived off the eastern coast of South Africa, taking charge of the reef and antagonizing local fisherman. Shark scientists are stunned. Normally sharks are loners, but it seems that this group may be organized. What's behind this unprecedented behavior and what brought the gang to these waters? Take the plunge with dive boat operator Mark Addison as he swims with sharks, tries to study their pack mentality, and makes discoveries that could inspire a new realm of shark research.

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Are Sharks Chasing Boats?

In order to see if sharks are following fishermen's boats, two shark experts use acoustic telemetry to see if the sharks have learned to associate the noise of a motor with the expectation of food.