This research was conducted on November 18, 2018 until December 06, 2018 in Koto Mesjid Village, Subdistrict XIII Koto Kampar, Kampar Regency, Riau Province. The purpose of this study is to identify economic activities that are growing as a result of the presence of Patin fish culture (Pangasius sutchi) and to find out the multiplier effect of the existence of Patin fish culture (Pangasius sutc…