Aquaculture is the rearing and breeding of freshwater and saltwater aquatic organisms in controlled conditions. Aquatic organisms include fish, molluscs, crustaceans and aquatic plants. To enhance production, various intervention strategies like regular stocking, feeding, protection from predators, etc. are implemented. Various environmental concerns can arise due to unregulated aquaculture practices. Some of these potential damages include the introduction of invasive organisms in an aquatic ecosystem, the competition between wild and farmed species, antibiotic side-effects, etc. This book provides comprehensive insights into the field of aquaculture. Most of the topics introduced herein cover new techniques and their applications in a comprehensive manner. It is appropriate for students, researchers and experts seeking detailed information in this area.