Using ‘chum cams,’ scientists find protected areas benefit sharks

Filmed at Caye Caulker Marine Reserve on the main barrier reef, a healthy school of yellowtail snapper show that the marine reserves also benefit a variety of fish species. Just off the bait cage are two adult reef sharks coming in inquisitively to seek the source of the chum. Adult sharks often exhibit a much more cautious approach to food sources, as is witnessed here.


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