Meet Quadrilateral: This 10-foot white shark is among dozens making waves off Cape Cod beaches
From a shiver of white sharks spotted off Brewster to a tagged white shark with a mouthful of a name, over two dozen of these animals were spotted around Cape Cod over the last week.
Since Friday, Aug. 1, the Chatham-based Atlantic White Shark Conservancy has cataloged around 29 white shark sightings around Cape Cod, along with two signs of shark predation.
Two tagged sharks made separate appearances around the Cape between Wednesday and Thursday, according to the conservancy's shark-tracking app Sharktivity . One of them was a 10-foot-long male white shark named Quadrilateral, first tagged on Sept. 12, 2023. He was detected off North Beach Island and Chatham at around 9:23 p.m. on Aug. 6.
One minute later, off Maguire Landing Beach in Wellfleet, the tagged shark Pearl was detected. He was detected again 10 minutes later off Newcomb Hollow Beach, also in Wellfleet.
Slightly larger than Quadrilateral at 10 and a half feet, Pearl is a male white shark first tagged by the conservancy on Sept. 28, 2022. He was last detected at around 2:41 a.m. on Thursday, swimming near Nauset Beach in Eastham.
After last week's massive sighting in Cape Cod Bay, where 10 sharks were spotted, eight sharks were seen off the coast of Orleans and neighboring Brewster between 9:56 a.m. and 11:08 a.m. on Aug. 2. One shark was seen a quarter of a mile off the coast of Skaket Beach, followed by another off the coast of Crosby Landing Beach in Brewster. The other five sightings were off Ellis Landing Beach.
The conservancy tags and names white sharks typically seen swimming around the Cape's coasts. These acoustic tags transmit data from shark detections in real time, with the results appearing on Sharktivity.
Other indications that sharks are swimming around the Cape are signs of shark predation, when dead or alive seals are spotted with shark bites, according to the app.
Two signs of shark predation were seen on Tuesday, Aug. 5. One seal was seen floating off the coast of Race Point Beach in Provincetown at around 2:11 p.m. Another seal with a large bite on its side was found dead in the sands of Harding's Beach in Chatham at around 3:25 p.m.
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