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New research from Australia's Macquarie University has found some sharks bite humans as a case of 'mistaken identity' picture, Great White Shark stock photo 'We found that surfers, swimmers and pinnipeds seals and sea lions on the surface of the ocean will look the same to a white shark looking up from below, because these sharks can't see fine details or colours,' said Dr Ryan in.

As a teen, she led a kind of double life -- call it a double nightlife.

Great whites, tiger and bull sharks are the three species types which many humans fear White sharks are highly visual, with young white sharks posing a greater threat to humans due to poorer vision.

A team of researchers from Sydney's Macquarie University concluded in the eyes of many juvenile great white sharks, surfers and swimmers are similar in appearance to seals and sea lions in the ocean The latest research has prompted scientists at the Neurobiology Lab to develop non-invasive vision-based devices to protect swimmers and surfers from sharks in the water.