This book comprises thirty four chapters which include both Ichthyology and Fisheries. Selected topics from fish anatomy, fish physiology, identification of fishes and fisheries have been incorporated in this book which is extremely useful for the Hons. And Post-graduate students of Indian Universities studying fishery science. Some fresh water fishes of India have been described with latest classification, diagnostic features, distribution and fin formula in the book. The book has been thoroughly revised and enlarged. Some new chapters like Food Feeding Habits and Alimentary Canal, Skeleton, Common Biota of Fish Ponds of India, Fish and Pesticides and Fisheries Institutions in India have been added. Some old sketches have been replaced and also some new have been added. This will be quite useful for the students particularly for their practical classes. Matters described in this book are comprehensive, accurate and up-to-date. All efforts have been made to make the book of prime utility for the students.