The Kampar River, situated in Teluk Meranti Village, Pelalawan Regency, Riau Province, has the potential for fisheries with significant economic value, particularly the catfish (Pangasius sp.) caught using catfish gillnet. Unfortunately, the water quality of the Kampar River has been affected by pollutants originating from PT. RAPP (Riau Andalan Pulp and Paper), leading to a notable decline in …