Lucas Cruz was celebrating his 15th birthday with family last month when he was attacked by a shark On the morning ... Florida teen lost 70 percent of the blood in his body, about three liters ...

"There was a lot of blood, the shark, and some other things that I don't think any others need to see," Taylor told the Australian Broadcasting Corporation. Police did not identify the surfer ...

It’s strong and flexible and means they can turn quickly when chasing prey. A ray is essentially a flattened shark. They still ... The gills are packed with blood vessels, which absorb oxygen ...