How dangerous are sharks to humans, really? We spoke to the director of the Florida Program for Shark Research (FPSR):
The Discovery Channel’s annual “Shark Week” has been feeding America’s shark obsession since 1988. With shows spotlighting gruesome shark attacks, gripping battles between sharks and seals, white shark “hotspots,” and other terrifying fare, it’s enough to make a person rethink swimming in the ocean.
We do know the numbers are declining, though. With shark-fishing tournaments we used to see hundreds of sharks lined up, now we see one or two. Also, the price of fins is going up in places where they eat shark fin soup—there’s not enough supply to meet the demand.Florida sees about half of the country’s shark bites. We have a lot of coastline and also very warm water, plus nice beaches. Millions come here to swim, and in warm water we have a lot of sharks sharing the habitat.
The incidence of bites seems to be very strongly correlated with the number of sharks in the water at the same time as a lot of people. Sharks are usually off-shore so we want to figure out, when is there a high probability of encountering a shark? What brings them in-shore? The data seems to suggest that it’s when the bait fish, the food they feed on, come in. The sharks will follow them, and if there are people in the water they may get bitten.
As with any predator, a shark will bite something and then leave for a while. They know that most prey items will fight back. Seals can deliver tremendous damage to a shark. So the shark will bite and leave, to let the prey get weaker, then come back. If you show tenacity as it’s biting you, it’ll think twice about returning.You never want to go swimming alone. You’d be well advised not to go at dawn or dusk. Sharks are active then, and they can see you better than you can see them.
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