OCEARCH, a non-profit organization ocean research group and its "Shark Tracker" web site, recently received a ping on the whereabouts of Genie, a great white shark that the group tagged in September near Cape Cod, Mass.
On Jan. 19, Genie - the fifteen-foot, 2292 pound shark - was mapped off the coast of Hilton Head Island. Genie hadn't pinged OCEARCH's Global Shark Tracking system in over two weeks.
Mary Lee, the sixteen-foot, 3,456 pound great white was mapped near Cape Hatteras National Seashore, North Carolina heading north along the eastern seaboard.
Both sharks were tagged by the organization around the same time, near Cape Cod.
Each time a shark that the research group has tagged breaks the surface, a Global Positioning System attached to the dorsal fin marks the location.
That information is then made visible and mapped on the group's website for the public to track.