Health

The Surge of Sharks Off Nova Scotia: What You Need to Know This Summer!

2024-09-28

Encounter of a Lifetime!

Just last week, 72-year-old Jeff Kirby experienced a once-in-a-lifetime thrill while rowing in Halifax’s Northwest Arm. While out on his daily routine, Kirby spotted a breathtaking 12-foot great white shark leap out of the water just half a city block away. "All of a sudden, I could see clearly something huge leaving the water—it breached completely!" he recounted, still unable to shake off the excitement and disbelief from the encounter.

Shark sightings have become increasingly common along the Nova Scotia coast. Reports tell of locals recently saving a distressed great white in Port Medway, and in past instances, a duck hunter reportedly lost his dog to a shark attack in the same region. Such events have prompted new shark warning signage at local beaches, raising awareness about these magnificent yet potentially dangerous predators now frequenting the area.

A Changing Ecosystem

According to marine biologist Aaron MacNeil from Dalhousie University, the increase in shark sightings correlates with rising water temperatures and a growing population of seals—the primary food source for great white sharks. "With over 30 years of protection from fishing practices, we’re seeing a resurgence in shark numbers, likely because the seal population is also increasing," MacNeil explains.

In fact, the global effort to conserve great whites has resulted in a positive shift. Once severely affected by overfishing and bycatch, the species is now showing signs of recovery. "What we’re witnessing is an upswing in their population," said Fred Whoriskey, executive director of the Ocean Tracking Network. "Juvenile white sharks are moving into Canadian waters, a sign that their numbers are growing."

Safety First: Understanding the Risks

While the rise in shark sightings may unnerve some, experts want the public to understand that your chances of a shark attack are minuscule. In Canada, there hasn’t been a fatal shark attack since the mid-1800s, a fact that should alleviate some fears. Most shark-related incidents tend to occur when the animal misidentifies a person as prey, typically in areas where seals are abundant.

As such, swimming during peak shark activity times—usually at dusk and dawn—should be approached with caution, although great whites are known to hunt throughout the day as well. "Swimming among a seal pod is not advisable," cautions MacNeil. "If you’re cautious and respectful of your surroundings, the risks are exceedingly low."

For those adventurous enough to venture into the waters, employing safety practices, such as avoiding swimming in murky waters or during feeding times, is advisable. And thanks to community initiatives, many are turning to drones and technology to monitor shark activity before enjoying a swim.

The Future of Sharks in Nova Scotia

As the shark population continues to grow, both marine biologists and environmentalists excitably anticipate the balance of the ocean’s predator-prey relationships will adapt. Whoriskey suggests this resurgence could help manage the seal population, alleviating some pressure on local fisheries. “Sharks eat seals; that’s their main diet. They’re a vital part of our marine food web,” he notes.

So, if you find yourself off the coast of Nova Scotia this summer, be both thrilled and cautious. The great white sharks are back in town, continuing their role as apex predators in the ocean, reminding us of the awe-inspiring power of nature that thrives just beneath the surface of our summer waves!