How to kill a Crown-of-thorns Starfish! ✴️ While these suckers are native to the #GreatBarrierReef, they can have devastating impacts on local reef systems. By removing excess numbers, we can protect coral 🪸 This single shot injection technique is done by trained tourism professionals as part of the #ReefProtectionInitiative and shouldn’t be attempted without training. #LovetheReef 🎥 Ocean Rafting and Master Reef Guides | Great Barrier Reef Marine Park Authority