Introduction -- Chitosan and Nanotechnology Fundamentals -- Nanochitosan Synthesis and Modification -- Applications in Disease Management - Environmental Benefits and Water Quality Improvement -- Nutrient and Drug Delivery Systems -- Feed Enhancement and Nutrition -- Nanochitosan-based Fish Disease Prevention and Control -- Water Purification -- Larval Rearing and Hatchery Management -- Nanochitosan and Fish Barcoding -- Application of Nanochitosan in Fish Breeding Programs -- Optimization of Nanochitosan -- Economic and Societal Implications -- Future Prospects and Challenges -- Case Studies and Real-world Applications -- Conclusions and Recommendations.

Nanochitosan-Based Enhancement of Fisheries and Aquaculture is an indispensable guide for envisioning an ecologically balanced and prosperous future for aquatic resource management. The book explores the innovative application of nanochitosan in aquatic resource management, delineating the cutting-edge potentials of the novel biopolymer to reshape the landscape of fisheries and aquaculture and align with the ambitions of the United Nations Sustainable Development Goals (Goal 14: Life Below Water). The book focuses on sustainability and showcases nanochitosan's capacity to elevate water quality, bolster aquatic well-being, and revolutionize aquaculture disease control, breeding, detoxification, and feed quality. Through practical applications, interdisciplinary insights, and a strong emphasis on food safety and conservation, readers gain a multifaceted understanding of the field's advancements, future potential, challenges, and requisite nanochitosan-based techniques. This work navigates complex scientific concepts clearly, catering to a diverse audience, including researchers, practitioners, and students. Explores nanochitosan-based enhancement of spawning and breeding in fishes; Focuses on nanochitoan-based detoxification of fishes, antipathogenic and water purification potentials; Explains nanobarcoding and fish tagging.