"Just say they took no prisoners," says one oceanographer. According to one theory, two years ago researchers said that the area's oysters had been contaminated, which caused them to drop quickly in value. Fish farms stopped harvesting the oysters, which attracted huge numbers of flatworms, some of which later invaded the sea ranch.
「只能用全軍覆沒形容」，劉繼源猜測，扁蟲突然多起來的原因，是前年有學者抽查澎湖水產養殖品後，說這個地區的牡蠣可能已經受到汙染，使價格瞬間大跌，當地養殖的許多牡蠣都沒有收成，因此引來大批扁蟲，海洋牧場養殖的牡蠣也受池魚之殃。