The main reason, the scientists say: tourism. ISAF focuses on the number of unprovoked attacks, reporting that the overall trend has increased worldwide over recent decades. Shark attacks are shocking and scary, but how common are they? Here's the truth about shark attacks on humans. Though ISAF reports on incidents across the globe, Tyler Bowling, the program manager, says people are much less likely to report a shark attack from a smaller country with limited phone and Internet access, or if they are engaging in risky behavior when the attack occurs. The group has documented 6,200 accounts of shark-human incidents, including historical accounts going back all the way to the 1500s. Housed at the Florida Museum of Natural History, ISAF started collecting reports on shark attacks in 1958. In contrast, a “provoked” attack results from aggravating human activities, such as grabbing or harassing a shark, or removing one from a fishing line. Most reported shark attacks are what experts consider “unprovoked,” meaning a shark apparently comes out of nowhere to bite a person, according to the International Shark Attack File (ISAF), which collects worldwide shark attack data. Still, a notable difference exists in the number of recent incidents on the U.S. Spoiler: though the overall long-term trend shows an increasing number of shark attacks, the number has actually declined in the past few years. We talked to some shark experts to find out if that’s true. After extensive coverage of shark attacks on people in local and national media, readers may be left asking why there seems to be a “spike” in recent incidents. Sleek, muscular bodies of sharks slice through the water-powerful predators of the ocean, striking fear in smaller fish-and sometimes humans.
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