Abstrak Microplastics in the Koto Panjang Dam may orginated from the degraded plastic waste and maybe accidentally engulfed as fish swallowing their food. A research aims to determine microplastics in Pristolepis grooti in the Koto Panjang Dam in December 2020 - February 2021. The method used in this study is the survey method, in the Koto Panjang Dam are used as research sites. purchased…