The present work offers a comprehensive examination of the diverse field of fisheries, delving into subjects ranging from the biology of fish populations to sustainable aquaculture methods and post-harvest management strategies. The text covers several important topics, including fisheries biology, food and feeding habits, aquaculture systems, water quality parameters, environmental considerations, disease prevention and control in aquaculture, food safety and quality assurance, post-harvest processing and value addition, fishery economics and policy, marketing and distribution strategies, microplastic pollution, fish nutrition and feed technology, and cutting-edge technologies to mitigate the environmental impact on aquatic ecosystems. This book serves as a valuable resource for aquaculture and fisheries management professionals, researchers, and students, providing them with the most recent advancements in the field.