The paddy-fish farming provides a sustainable alternative tool to rice monoculture. The switch from paddy monoculture to paddy-fish farming is a shift to production of a more balanced diet. In addition, it was secondary farm product in terms of economic return, increase in income and generating the employment potential to the rural masses. The less use of fertilizer and increase in the amount of organic fertilizer through fish excreta and increase in photosynthesis due to movement of fishes in paddy-field causes the aeration of water hence increased the dissolve oxygen, congenial to increase...