Native oyster reefs were once abundant across Australia’s southern coastline, but decades of exploitation left them nearly extinct. Now, a remarkable discovery in Coffin Bay is sparking a movement to bring them back. Could this be the key to restoring our lost marine ecosystems? Learn more at: http://greatsouthernreef.com/native-o... This vital restoration work has been made possible through the support of key organisations, including the Environment Institute at the University of Adelaide and the Department for Environment and Water, South Australian Government. Their commitment to marine conservation is helping to rebuild these critical habitats and safeguard them for future generations. Video by Stefan Andrews | Ocean Imaging & Great Southern Reef Foundation.