This research was conducted on 25th November – 05th December, 2013 which aims to determine the total cost of production, net income and the feasibility of enlarging carp (Cyprinus Carpio) in cages in Nagari Muaro Paiti. The method used in this study is a survey method to direct interview to 9 fish farmers. The results of this study indicate that the total average cost of production for each …