This study aims to determine the density and the proximate content, including the levels of protein, fat, carbohydrates, and fiber in the aquatic plant Kiambang (Salvinia molesta) in the Waters of Tanjung Putus Lake, Buluh Cina Village, Siak Hulu Subdistrict, Kampar Regency, Riau Province. The research was conducted from April to May 2024, located in the waters of Tanjung Putus Lake, Buluh Cina…