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Articles on Sharks

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Blue sharks are popular targets of a catch-and-release fishery along the southern coast of England. Vladimir Turkenich/Shutterstock

How trophy fishing can have a sustainable future

Trophy fishing is a big threat to some of the most threatened species of fish, but there are ways to adapt the sport with marine conservation in mind.
Rather than a tracking tag telling scientists where this shark traveled, its violent removal let them observe an unexpected regeneration process. Josh Schellenberg

I set out to investigate where silky sharks travel − and by chance documented a shark’s amazing power to regenerate its sabotaged fin

After scientists’ GPS tracking tag was violently removed from one shark’s dorsal fin, they were in for a surprise: The wound didn’t just heal, but the missing tissue grew back.
A school of grunts on a sunken World War II German submarine in the Atlantic Ocean off North Carolina. Karen Doody/Stocktrek Images via Getty Images

Shipwrecks teem with underwater life, from microbes to sharks

When ships sink, they add artificial structures to the seafloor that can quickly become diverse, ecologically important underwater communities.
Canals carry PFAS into Miami’s Biscayne Bay. Art Wager/E+ via Getty Images

PFAS ‘forever chemicals’ are getting into ocean ecosystems, where dolphins, fish and manatees dine – we traced their origins

Scientists found PFAS hot spots in Miami’s Biscayne Bay where the chemicals are entering coastal waters and reaching the ocean. Water samples point to some specific sources.
White sharks are migrating to survive. Morne Hardenberg.

South Africa’s great white sharks are changing locations – they need to be monitored for beach safety and conservation

South Africa’s white shark population is not in decline but migrating to survive.
Tim Flannery with a model set of jaws of a megalodon at the Australian Museum, and, on right, a megalodon tooth. Photos: Text Publishing, Wikimedia Commons

How diving as a boy took Tim Flannery on the trail of the megalodon in all its ‘terrifying glory’

Megalodons are having a cultural moment. What do we know about them? And might further scientific discoveries reveal more about the true shape and size of these creatures?

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