This research aims to understand the Income and the Efficiency of tilapia farming ( Oreochromis niloticus ) in Desa Mekar Mulya Kecamatan Penarik Kabupaten Mukomuko. Respondents in this research is determinated by using the method the census. Respondents taken is 24 farmers enlargement tilapia. https://www.foldlyers.shop/product-category/files/