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The objective of this study was to evaluate the effect of stocking density on the growth performance and economic feasibility for the culture of Litopenaeus vannamei fed plant based diets and cultured in production ponds and an outdoor tank system. Juvenile shrimps (0.015g initial weight) were stocked in sixteen 0.1ha ponds with stocking densities of 17, 26, 35, and 45shrimpm⁻² and cultured under standardized pond production conditions for 16weeks. Daily feed rates were predetermined using expected growth per week of 1.3g, a feed conversion ratio (FCR) of 1.2, and an estimated survival rate of 78%. Additionally, juvenile L. vannamei (2.8g initial weight) were stocked into 24,800-L tanks at the densities of 15, 25, 35, 45, 55, and 65shrimpm⁻² with 4 replicates per treatment and cultured for 10weeks. Daily feed inputs were calculated based upon an expected weekly weight gain of 1.3g and an expected FCR of 1 …