Fish farming in the private aquaculture sector is the most common. The main objective of the study was to study the economic and environmental assessment of the national fish farms. Field data were obtained through a sample of 138 form representing 16.23% of the total national farms. The most important explanatory variables affect the quantity of the output Of the fish in the sample farms are the number of used labor, the number of fry used, the amount of fodder used, the water area, and the results showed that all the farms of the sample did not achieve economic efficiency for a number of reasons, It was also found that the average size of the average fish production for the three sample groups which below the cost is about 3.57, 49.5, and 5.68 tons / fed. The maximum profit production was also found to be about 0.56, 4.56, 6.5 Ton / fed for the three categories respectively. The internal rate of return for the three categories was 49.8%, 59.4% and 64.5%, respectively, which is higher than the prevailing interest rate of 20% and it was found that the investment in aquaculture So that the most effective economically and financially from depositing money in banks, the study recommended by encouraging the private sector to invest in the field of aquaculture.
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