A teenage girl initially feared she was being attacked by a shark during her lifeguard test in Southern California, but the predator turned out to be an aggressive sea lion. Phoebe Beltran ...

More than a fanciful shark-octopus hybrid featured in low-budget sci-fi films of the 2010s, the "sharktopus" has been spotted in real life - well ... majority of them live on the seafloor ...