The book entitled as "Aquaculture: Enhancing Food Security and Nutrition" sheds light on the various forms of aquaculture like freshwater, marine and brackish water cultivation highlighting their benefits and potential drawbacks. The focus is on in what way aquaculture practices can be environmentally responsible, economically viable and socially inclusive, paving the itinerary for a balanced and sustainable food ecosystem. By exploring the advancements in aquaculture technologies such as recirculating aquaculture systems (RAS) and integrated multi-trophic aquaculture (IMTA), the book also advocates the environmental friendly and resource-efficient practices that enhance both food security and nutrition. Moreover, the book underscores the nutritional value of fish and its products, highlighting their rich nutrient composition including protein, amino acids, fatty acids, vitamins and minerals, which are fundamental for human health. It also offers insights about the incorporation of fish and its products in the food that can positively impact nutrition and combat malnutrition, especially in vulnerable human populations.