The research was conducted in July until August 2017 in Koto Tinggi Village, Koto Besar District, Dharmasraya Regency, West Sumatera Province. This Research, setting the working hours of aquaculture business, and the find out the contribution of the aquaculture business.The method used in this study is survey method, which is the determinatif of respondents that is oil palm farmers who have aqu…