Shark evolution discoveries

This video from Australia says about itself:

Why does one kind of turtle escape hungry tiger sharks, but another doesn’t? National Geographic’s Crittercam® helps researchers find out how one turtle species stays off the shark’s dinner menu.

The six-foot-long babies of the world’s biggest shark species, Carcharocles megalodon, frolicked in the warm shallow waters of an ancient shark nursery in what is now Panama, report palaeontologists working at the Smithsonian Tropical Research Institute and the University of Florida: here.

Great whites ‘not evolved from megashark’: here.

The ancestor of all hammerhead sharks probably appeared abruptly in Earth’s oceans about 20 million years ago and was as big as some contemporary hammerheads, according to a new study led by the University of Colorado at Boulder: here.

No more eating shark fin in Hawaii after new law: here.

Shark Science on the 35th Anniversary of Jaws: Great white sharks are mysterious and dangerous. And cool: here.

Deepwater Shark Diets Include Other Sharks: here.

Tiger Shark Feeding Frenzy Captured on Video: here.

Soon you will have your chance to bid on a massive Megalodon jaw, measuring 11 feet across and 8.5 feet high: here.

Related articles

• Cameras Go Inside The Smithsonian’s Century-Old “Jurassic Park” Research Island In Central America
• New prehistoric crocodile discovered, named after Tolkien’s balrog
• Crocodile, mammal fossil discoveries in Panama

• Great White Shark Origins Found (news.discovery.com)
• Great White Shark Ancestry Swims into Focus (wired.com)
• Great whites ‘not evolved from megashark. (zedie.wordpress.com)
• Who’s Your Daddy? For Great White Shark, Maybe It’s Mako (livescience.com)
• Study: White Shark May Have Evolved from Mako Shark (sci-news.com)
• New ancient shark species gives insight into origin of great white (esciencenews.com)
• Shark brains ‘similar to those of humans’… (telegraph.co.uk)