With 88 reported unprovoked shark attacks and five fatalities worldwide, 2017 was “just an average year,” according to the University of Florida International Shark Attack File.
While the number of reported attacks is slightly higher than the most recent five-year annual average of 83, the five fatalities are just below the average of six deaths per year. Of the total, 60 percent (53) occurred in the United States. Australia had the second-highest number of attacks with 14, including one fatality.
The slightly higher than average attack numbers were expected as human populations continue to climb and people spend more time in the water, says Lindsay French, who manages the database housed at the Florida Museum of Natural History at the University of Florida.
“It really was just an average year, and significantly, the US saw no shark attack fatalities for the second consecutive year” French says. “While we don’t put too much emphasis on year-to-year changes, a slight increase is expected as beach tourism and water sports gain in popularity. And as has been the case for years, Florida saw more attacks (31) than any other state, while Volusia County led the state in reported attacks with nine, 29 percent of Florida’s total.”
Worldwide, Reunion Island had three unprovoked attacks and two fatalities. Ascension Island, the Bahamas, Costa Rica, Indonesia, and South Africa each had two attacks, with one fatality occurring in Costa Rica. Brazil, the Canary Islands, Cuba, Egypt, England, Japan, the Maldives, and New Zealand reported single attacks. Cuba’s attack resulted in the country’s first fatality since the 1930s.
“The hotspots we’re keeping an eye on are Ascension Island, which had its first attacks since the 1800s, and Reunion Island, which had two of last year’s five fatalities,” French says.
In the US, other states reporting attacks were South Carolina (10), Hawaii (6), California (2), and Massachusetts, North Carolina, Texas, and Virginia, each with one.
Fifty-nine percent of the attacks worldwide involved board sports. This group spends a large amount of time in the surf zone, an area commonly frequented by sharks, French says.
“We need to remember we’re going into a shark’s natural habitat when we enter the water. Water sport activities often unintentionally attract sharks because of splashing, paddling, kicking, and wiping out. But the number of unprovoked attacks is remarkably low considering the billions of people who participate in water sports each year.”
The world’s shark populations continue to suffer as a result of overfishing and habitat loss, French says.
“On average, unprovoked shark attacks cause six fatalities worldwide each year,” she says. “But fisheries kill about 100 million sharks and rays annually, so there’s definitely a real need to conserve these animals and their habitat to ensure their long-term survival. They play an important role in marine ecosystems.”
Source: University of Florida