Marine fisheries play a crucial role in global food security, economic development, and environmental sustainability. They comprise the harvesting, processing, and distribution of fish and other seafood from oceans, seas, and other bodies of water. These fisheries support millions of livelihoods worldwide, particularly in coastal communities where fishing is a primary source of income. Sustainable management practices, such as quota systems, marine protected areas, and gear regulations, are essential for maintaining fish stocks and preserving marine biodiversity. Additionally, international cooperation is vital to address transboundary issues and ensure the equitable distribution of marine resources. Efforts to promote sustainable fishing practices, reduce bycatch, and combat illegal, unreported, and unregulated fishing are ongoing. By prioritizing conservation and responsible management, marine fisheries can continue to provide food, employment, and economic opportunities while safeguarding the health of our oceans for future generations. This book aims to shed light on some of the unexplored aspects of marine fisheries and the recent researches in this field. It brings forth some of the most innovative concepts and elucidates the unexplored aspects of marine fisheries. The topics covered in this book offer the readers new insights in the field of marine fisheries.