<p>Hundreds of dead mature Australian salmon washed up on Fishery Beach in Cape Jervis, South Australia, on Wednesday, May 2.</p><p>Local media</a> said the Primary Industries and Regions Department was investigating the mysterious deaths, however, they would need several days to obtain results.</p><p>Local photographer Robert Lang told Storyful he was on the beach at sunrise on Wednesday, when he captured this drone footage of the carcasses. Credit: Robert Lang</p><br />
