Shark Sonics

Cameraman Bob Cranston spends most of his time getting close to our oceans most dangerous predators

Cameraman Bob Cranston spends most of his time getting close to our oceans most dangerous predators and hes noticed that something very strange is happening. Off the coast of Baja California, great white sharks are congregating in shallow water and theyre not feeding on their usual prey of sea lions. And in the frigid waters of the Pacific Northwest, six-gill sharks have suddenly started hunt..

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