World’s Largest Great White Shark Likely Heading to Nova Scotia

Tracking Update: Mega Shark “Contender” Likely Heading to Nova Scotia; Transmitter Still Active and Registering Surface Contacts

Ronny K8. August 2025
Great white shark tagged by OCEARCH

The largest great white shark ever documented is on the move again. Following the latest tracking signal, experts believe that the male shark named Contender is heading towards the popular holiday region of Nova Scotia.

The roughly 14-foot-long (around 4.3 metres) and approximately 1,653-pound (about 750 kilograms) predator was detected again on 2 August. This was a so-called Z-ping, which occurs when the transmitter reaches the water’s surface, confirming that the animal has spent time there.

Current Data and Suspected Route

The non-profit organisation OCEARCH, which tracks marine animals with transmitters, stated that the tag on the roughly 30-year-old male is still working reliably and continuously registering movements and surface contacts.

Contender was last regularly tracked off Cape Cod on 18 July. Since then, the data suggests that he is moving northeast towards Nova Scotia. Further tracking in the coming days will reveal whether the shark is indeed heading for the Canadian coastal area.

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