π dailymail.co.uk
Video: Human or seal? Sharks attack as they can't distinguish! | Daily Mail Online
Sidney study using 'shark vision' confirms sharks can't tell the difference between humans on surfboards and puffy seals, that is why they attack swimmers.
β https://www.dailymail.com/video/sciencetech/video-2533309/Video-Human-seal-Sharks-attack-distinguish.html