Dozens of white shark sightings have been reported off the coast of Massachusetts' Cape Cod this week.
In the last two days alone, the Atlantic White Shark Conservancy's (AWSC) Sharktivity app tracked 17 sightings.
There were four detections of known sharks: Ruby, Ken and Commodore.
According to The Nantucket Current, a hammerhead shark was also spotted in nearby waters.
Frequent shark sightings along the East Coast this summer have forced beach closures.
Down the coast, off of Long Island, New York, frequent shark bites have spurred officials to take action.
New York Gov. Kathy Hochul directed state agencies to increase surveillance for sharks, both in the air and on land.
The Florida Museum of Natural History and the University of Florida's International Shark Attack File (ISAF) reported only 12 unprovoked bites had been recorded in New York's history prior to this year, none of which were fatal.
There is a nursery for sand tiger sharks located off Fire Island, New York.
Conservation efforts have led to a rebound in shark populations, as well as an increase in the seal population in New England waters.
Scientists also cite warming ocean temperatures and a resurgence of bunker fish for the increase in sightings.
The risk of a shark attack remains very low.