Many scientists believe the increased seal population is leading to more human encounters with white sharks, who prey on seals.
Seals are a favorite prey of large sharks such as the great white.
That was the first fatal shark attack in Massachusetts in more than eight decades, while the death of Holowach on Monday was the first documented fatal shark attack in Maine history.
As we restore top predators, the potential for these interactions could increase.Incidents of shark bites remain vanishingly rare, especially in Northeastern waters.
Australia has been the site of 652 unprovoked shark attacks according to records that go back to 1580, the International Shark Attack File reported.