A great
white shark thought to have entered Long Island Sound — a possible first for a
great white shark in that body of water — may not have been there at all.
Cabot, a
9-foot-8-inch-long (nearly 3 meters) male shark, seemed to pop up off the coast
of Greenwich, Connecticut, Monday morning (May 20). When a tagged shark's
dorsal fin breaches the water's surface, nearby satellites "ping" the
location to whomever is tracking the fish. In the case of Cabot, the nonprofit
Ocearch got the ping, suggesting the shark was in Long Island Sound.
The
problem with these trackers is that they don't give an exact location.
"There's a huge error bar to the right or left of whatever location they
give you," said George Burgess, a marine biologist and director emeritus
of the Florida Program for Shark Research at the Florida Museum of Natural
History. "And that error bar can be the difference between one side of
Long Island and the other."
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