This research aims to know the cost of production, revenues, earnings, profits and business feasibility hatcheries tilapia and catfish are reviewed from the RC nilsi ratio, Productivity the productivity of land, labor and capital Productivity. The technique of determination of the location chosen in this study was done deliberately (purposive) with the consideration that the Mino group of Ngremboko which is in the hamlet of Bokesan has a land area of seed production 275.000 m2 with most fish compared Another hamlet. for sampling conducted in the census by the number of members of farmers ' seed fish tilapia and catfish whole incorporated in the Mino group Ngremboko as many as 43 members of the 43 members of the samples used in the study of 28 members for farmers fish tilapia and 15 members of farmers ' seed of catfish, a member of which the respondent is an active member. The data gathered through structured interviews are next in the analysis are desktiptif. The results showed that the total cost of the production At hatcheries catfish greater than hatchery fish tilapia. While the receipt obtained higher at catfish hatchery fish tilapia, while compared to revenue and profit that is higher at hatcheries nila compared catfish. Feasibility analysis of the views of the value of R/C, land productivity, labor productivity and capital productivity that is known that the value of worthiness higher at hatcheries hatcheries means nila nila laboured more feasible.