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Dave Hoffman
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Titles credited to Dave Hoffman
Shark Gangs
Scientists have discovered and investigate the reason behind the behavior of sharks swimming around in gangs even though they are viewed as solitary predators.
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Man vs. Shark
40 years after inventing armored suits that protect divers from attacks by smaller shark species of sharks, marine biologist, Jeremiah Sullivan, faces off against hungry hammerheads and deadly tiger s...
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