sharks
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مقالات عامة
Sharks and rays leap out of the water for many reasons, including feeding, courtship and communication
مجلة المذنب نت متابعات عالمية: Many sharks and rays are known to breach, leaping fully or partly out of the…
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مقالات عامة
Sharks are taking a bite out of anglers’ catch in the Gulf of Mexico, but culling isn’t likely to help
مجلة المذنب نت متابعات عالمية: Fishermen across the Gulf of Mexico are reporting that something is eating fish off their…
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مقالات عامة
Oceans without sharks would be far less healthy – new research
مجلة المذنب نت متابعات عالمية: There are more than 500 species of sharks in the world’s oceans, from the 7-inch…
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مقالات عامة
Baby bull sharks are thriving in Texas and Alabama bays as the Gulf of Mexico warms
مجلة المذنب نت متابعات عالمية: In late spring, estuaries along the U.S. Gulf Coast come alive with newborn fish and…
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مقالات عامة
Great white sharks off South Africa’s coast are protected by law, but not in practice. Why this needs to change
مجلة المذنب نت متابعات عالمية: In less than eight years, white sharks in South Africa have all but disappeared from…
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مقالات عامة
Fished for their meat and liver oil, many remarkable deep-water sharks and rays now face extinction
مجلة المذنب نت متابعات عالمية: The deep ocean, beyond 200 metres of depth, is the largest and one of the…
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مقالات عامة
Sharks, turtles and other sea creatures face greater risk from industrial fishing than previously thought − we estimated added pressure from ‘dark’ fishing vessels
مجلة المذنب نت متابعات عالمية: My colleagues and I mapped activity in the northeast Pacific of “dark” fishing vessels –…
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مقالات عامة
‘Jaws’ portrayed sharks as monsters 50 years ago, but it also inspired a generation of shark scientists
مجلة المذنب نت متابعات عالمية: Human fear of sharks has deep roots. Written works and art from the ancient world…
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مقالات عامة
To protect endangered sharks and rays, scientists are mapping these species’ most important locations
مجلة المذنب نت متابعات عالمية: All of the saltwater bodies on Earth make up one big ocean. But within it,…
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مقالات عامة
I set out to investigate where silky sharks travel − and by chance documented a shark’s amazing power to regenerate its sabotaged fin
مجلة المذنب نت متابعات عالمية: I made an accidental and astonishing discovery while studying the movements of sharks off the…
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