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Some sharks return to the same sites to breed for decades

Scientists studying sharks off Florida say some species return to the same breeding grounds for decades at a time and live longer than previously thought. Nurse sharks returned to the waters off the Dry Tortugas to mate for up to 28 years. This is according...

Tuna and billfish are recovering from extinction risk as sharks continue to decline

Some tunas and billfishes are recovering from decades of overfishing. Thanks to successful fisheries management and conservation efforts. But shark biodiversity continues to decline. This is according to a new study examining yearly changes in these species' extinction risk over the last 70 years....

New findings on basking sharks blow assumptions out of the water

Scientists said if basking sharks were like Canadians, their migration habits might be easily explained. They head to south to avoid winter's chill and north again to enjoy summer's warmth. But basking sharks are a more complex puzzle. Biologists discovered this while examining the seasonal...