Contender, a roughly 14‑foot, 1,600‑pound male great white, has entered waters off Newfoundland farther north than any other OCEARCH‑tagged white shark in the Atlantic database. The shark travelled through the Strait of Belle Isle into the Newfoundland Sea, a route that raises new questions about white shark range and the environmental factors that drive their movements. OCEARCH notes that 88% of sharks tagged in the U.S. Southeast visit Atlantic Canada; tracking Contender in real time could reveal whether large adults commonly use colder northern waters.
Atlantic Giant: 1,600‑Pound 'Contender' Sets Northern Record for OCEARCH‑Tagged White Sharks Off Newfoundland
Contender, the 14-foot, 1600 pound great white shark on the day he was tagged by OCEARCH in January 2025.
Contender, the largest male great white shark OCEARCH has ever tagged in the Atlantic, has pushed into waters off Newfoundland farther north than any other OCEARCH‑tagged white shark in the organization's database.
At the time he was tagged in January 2025, Contender measured about 14 feet long and weighed roughly 1,600 pounds. According to OCEARCH, the shark recently moved through the Strait of Belle Isle before turning south into the Newfoundland Sea.
Why This Route Matters
Contender's unusually northerly path is prompting researchers to reconsider how far white sharks range in the western North Atlantic and what environmental or ecological drivers—such as prey availability, seasonal conditions or shifting ocean temperatures—are guiding those movements. Because Contender is the largest male in OCEARCH's Atlantic dataset, his journey may offer particular insights into how size, sex and life stage influence range and behavior.
Contender the great white shark being tagged in the Atlantic Ocean.
"Contender is taking us somewhere we haven't seen another OCEARCH‑tagged white shark go before," OCEARCH said in a Facebook post announcing the milestone.
What Researchers Are Watching
OCEARCH's long‑term tracking has already documented repeated travel between Atlantic Canada and the U.S. Southeast. In a 2025 press release the group reported that 88% of white sharks tagged in the U.S. Southeast eventually moved to waters off Atlantic Canada, underscoring frequent, large‑scale movements in the western Atlantic.
Tracking Contender in real time will help scientists determine whether his route is an individual anomaly or part of a broader pattern among large adults. Continued data collection will improve understanding of the environmental cues and biological needs that prompt long‑distance migrations and habitat shifts.
Follow The Shark
Contender and other tagged sharks and marine animals can be followed live through the free OCEARCH Global Shark Tracker app, giving researchers and the public location updates and migration history.
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