Crown-of-thorns starfish outbreaks cause significant damage to coral reefs across large spatial scales, and are one of the major causes of coral decline across the Great Barrier Reef over the past 40 years. Crown-of-thorns starfish management Crown-of-thorns starfish outbreaks cause significant damage to coral reefs and are one of the major causes of coral decline, managing these animals are critical to Reef Resilience. Learn more Crown-of-thorns Starfish Control Program Controlling outbreaks of crown-of-thorns starfish, is a key Australian Government management action to protect the coral habitats, Reef biodiversity and resilience. Learn more Crown-of-thorns starfish dashboard An interactive display provides an overview of progress of the Crown-of-thorns Starfish Control Program and the broader reconnaissance program. Learn more