In 1983 a study on fish in the Tamsui River by the Department of Water Resources of the Ministry of Economic Affairs found that the Tilapia, native to Africa, is now lord of the river.
民國七十二年經濟部水資源規劃委員會針對淡水河魚類所做的調查發現，來自非洲的吳郭魚，才是現任淡水河盟主。