Ornamental fish farming has been as a matter of priority production activities and it has followed a growing trend in recent years. Based on last studies in the world estimated that there are about100 million interests Aquarium fish. In order, FAO reports international trade ornamental fish since 1985 annual growth rate of 14 percent (FAO, 1999).The economic value of the ornamental fish market in the world, estimated to be several billion dollars annually(Watson & Moreau,2006). Iran annually produces 200 million pieces of ornamental fish and about 11 million pieces of ornamental fish has imported from the biggest producer of ornamental fish in the world on South-east Asian countries such as Thailand, Malaysia and Singapore last year (Rahmany, 2015). There are 300 species of 1500 species of global ornamental fish as native in Iran country that we could propagation more than 80 species of 300 species now. If the condition of production ornamental fish to be prepared in Iran, we could become simply to a serious competitor for global ornamental fish production (Rahmany, 2015). Ornamental fish production does in the big farm with high products and too in the small farm by the family operating system but all of them to need individual and special requirements that taking them can create new opportunities for employment. To achieve this noble objective should be provided activity and sustainable jobs. On the other attention to ornamental fish, production could be the as expanding trend in the popular hobby. So that we can organize this section and compilation created between ornamental fish production units and entertainment units in a complex by propose of the development of hobby area in each region. Manufacturing and Entertainment Ornamental Fish Complex of Mahallat city design and study by propose of to create a model complex site for production of ornamental fish and hobby area for people and in the second proposed for to aggregation of Ornamental Fish Farming Units In Mahllat City on Markazi Province of Iran.