ABSTRACT This study aims to determine the content of microplastics in Tilapia (Oreochromis niloticus) and Barau Fish (Hampala macrolepidota) in Koto Panjang Reservoir, Kampar Regency, Riau. The method used in this research is a survey method. Data collection consists of primary data and secondary data where primary data is in the form of data obtained from observations of samples that hav…