Unprecedented Phenomenon: Great White Sharks’ Mysterious Odyssey Across Thousands of Miles


In a remarkable and puzzling turn of events, two male great white sharks have embarked on an extraordinary journey, defying conventional behavior exhibited by their species. Great white sharks (Carcharodon carcharias), notorious for their solitary nature, have taken experts by surprise as they traverse an astonishing distance together, from the southeastern United States to the Canadian waters.

Unprecedented Partnership

These two juvenile great white sharks, affectionately named Simon and Jekyll, have been captivating the attention of marine biologists and enthusiasts alike. The phenomenon began when researchers from the nonprofit organization OCEARCH affixed tracking devices to the sharks off the coast of Georgia in December. Since then, the sharks have defied expectations, swimming side by side throughout their migration, which spans over 4,000 miles (6,400 kilometers).

The Great White Shark’s Lonely Habits

Typically, great white sharks are solitary predators, leading a reclusive existence in the vast ocean expanse. Robert Hueter, a distinguished shark scientist at OCEARCH, expressed his astonishment in a video shared on Facebook. “White sharks lead a very solitary existence,” he stated. “We don’t really expect to see these white sharks staying together.”

Tracking the Unusual Partnership

The tracking devices employed by OCEARCH, designed to ping the sharks’ locations when they approach the water’s surface, have yielded fascinating data. Simon and Jekyll, while not constantly occupying the exact same coordinates, have followed a parallel trajectory along the coastline. For instance, both sharks were seen early in March off the coast of Wilmington, North Carolina. By early May, Simon had reached Long Island, New York, while Jekyll lingered around southern New Jersey.

However, the most baffling aspect of this enigma emerged in early July. Once again, both sharks were detected in close proximity off the coast of Nova Scotia, a region not typically frequented by great white sharks. As July progressed, they ventured even further into uncharted territory, entering the Gulf of St. Lawrence, which acts as the outlet for the vast Great Lakes. Although Jekyll has ceased to emit signals since mid-July, Simon’s latest ping was recorded as recently as August 11, off the coast of New Brunswick, Canada.

Unlocking the Mystery

Hueter, a veteran researcher in the field, admitted, “I’ve never seen anything quite like this.” The scientific community is now grappling with this exceptional behavior, striving to comprehend the factors driving this partnership. Tissue samples extracted from both sharks are currently under scrutiny to ascertain any potential biological connection between them.

Exploring Social Dynamics

While scientists have yet to grasp the full extent of sharks’ social interactions, this peculiar instance has sparked a fresh wave of inquiry into their behavior. Recent studies have hinted at the possibility that white sharks might engage in social behavior, possibly collaborating to locate food. Such revelations challenge conventional assumptions and underscore the complexity of marine ecosystems.


The odyssey of Simon and Jekyll, two great white sharks sharing an extraordinary partnership across thousands of miles, is an unprecedented occurrence that continues to confound experts. As marine biologists strive to decode the intricate web of social dynamics among these apex predators, this saga serves as a reminder that the oceans still hold countless mysteries waiting to be unraveled.

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