The book Aquatic Food Potential to Foster Food Security in Developing Countries aims to contribute scientific knowledge to formulate better strategies against hunger, including the valuable marine and freshwater resources that are now more and affordable due to aquaculture. It includes strategies of two countries - Angola and Brazil - to increase food security, innovative techniques to disinfect and scan for microorganisms and showcase studies located in Africa and South America, highlighting the impact of aquaculture on improving the availability and quality of food as well as family´s livelihoods.