Posts in tag

Sharks


Sea turtles are known for relying on magnetic signatures to find their way across thousands of miles to the very beaches where they hatched. Now, researchers reporting in the journal Current Biology on May 6 have some of the first solid evidence that sharks also rely on magnetic fields for their long-distance forays across the …

Image copyright GlobalFinPrint Image caption Grey reef sharks captured on camera in French Polynesia Sharks are rarely seen at almost one in five of the world’s coral reefs, a major study has found. The crash in shark numbers, caused largely by over-fishing, could have dire consequences for corals struggling to survive in a changing climate, …

CHATHAM, Mass. (WPRI) — New, experimental technology could help marine biologists track white sharks in real-time. Dr. Greg Skomal, and his team from the Atlantic Shark Conservancy have been tagging sharks for years. To date, at least 210 sharks are known to the conservancy. Skomal, a state marine biologist with the Massachusetts Division of Marine …

Image copyright Wayne Osborn Image caption Researcher Mark Meekan diving with a whale shark Data from atomic bomb tests conducted during the Cold War have helped scientists accurately age the world’s biggest fish. Whale sharks are large, slow moving and docile creatures that mainly inhabit tropical waters. They are long-lived but scientists have struggled to …

Image copyright Joao Zilhão Image caption There is evidence of the intensive and long-term exploitation of marine food resources at Figueira Brava Neanderthals were eating fish, mussels and seals at a site in present-day Portugal, according to a new study. The research adds to mounting evidence that our evolutionary relatives may have relied on the …

Image copyright Getty Images Image caption Guitarfish are one of the newly protected species Countries have agreed to strengthen protections for 18 threatened species of sharks and rays, including those hunted for their meat and fins. The proposal was passed at the Convention on International Trade in Endangered Species (CITES) on Sunday. The newly protected …

Credit: Associated Press Above: The fin of a great white shark is seen swimming a past research boat in the waters off Gansbaai, South Africa, Aug. 11, 2016. San Diego State University Research labs have developed a new genetic screening method aimed at streamlining shark conservation efforts. “The ‘genome skimming’ method enables fast and accurate …

A 21-year-old California woman was reportedly killed by three tiger sharks Wednesday while she was snorkeling in the Bahamas with her family, according to local reports. Jordan Lindsey of Los Angeles County had her right arm severed in the attack, officials from the Bahamas said, according to KABC. She was also bitten on her legs and buttocks …

Image copyright Edward Herreo Mision Swimming off Cocos Island in the Pacific Ocean, Ilena Zanella had her first close encounter with hammerhead sharks. As social creatures, the sharks gather in their hundreds, and soon she found herself surrounded. Easily spooked by the bubbles coming from her diving equipment, the sharks appeared shy, vulnerable and beautiful. …

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