Sharks found living in active volcano is one of the world's enduring ocean mysteries As the camera dropped into the roiling orange waters of one of the world's most active submarine volcanoes, scientists were expecting to see plenty of activity; what they weren't expecting to find was hordes of sharks thriving in the explosive crater.\ Reef sharks, hammerheads and scalloped hammerheads all swam up to the lens, unbothered by the fact an eruption had taken place shortly before. The discovery was made in 2015 at Kavachi volcano in the Solomon Islands by National Geographic grantee Dr Brennan Phillips. "I thought...