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Hundreds of sharks invade rivers and canals in Florida to escape toxic 'red tide'
Daily Star's biggest headlines straight to your inbox!Strange footage shows hundreds of sharks swimming in canals in Florida as they flee from deadly coastal algae known locally as the "red tide".In the clip, which aired on Fox 13 News, several species of shark such as nurse and lemon sharks are swimming with their fins poking through the water.The uncanny sight, recorded in Buttonwood Harbour on July 26, has perturbed locals who say they have spotted "great big" sharks sometimes appearing beneath the smaller ones.Janelle Branowner told the news channel: "You could literally walk across the canal on the backs of the sharks in the water."We don't have healthy water in the bay right now."Her concerns were echoed by a shark researcher at