Exploring Husbandry and Equipment Solutions to Infestations of Polydora sp. on a Maine Oyster Farm Polydora websteri is a marine polychaete worm that has had strongly negative effects on oyster farmers in Maine, and the world over. P. websteri builds burrows inside the shell of an oyster, where it deposits its eggs, waste and mud. … Continue reading Exploring Options to Reduce Polydora Infestations on Maine Oyster Farms