Ship anchor damage to a coral reef Allie Micka - 11 Dec 2015 This video shows just how much damage a ship can cause when it sets anchor on the fragile ocean habitat.Watch: This is what cruise ship anchors can do to a coral reefDivers recently captured this troubling clip of a luxury cruise ship anchoring off the Caribbean's Grand Cayman – and damaging an ancient coral reef in the process.Earth Touch News NetworkEarth Touch News