The present book on Fish Research comprises 15 articles written by well known experts and research workers in the field of fishes and fisheries as the fisheries sector can play a pivotal role in improving the state's economy and solving the nutritional problems besides acting as a tool for rural development. It offers tremendous potentialities for providing new employment opportunities to the vast rural poor. In this book an attempt has been made to highlight the latest development in the field of fish & fisheries. This book will be very useful for the students, teachers and researchers engaged in this field.