The book entitled Fundamental of Ichthyology provides the various sections of the society associated with aquaculture with most recent information and further direction in this field. This is highly useful book which may serve the long felt needs of students, teachers and research scholars. We believe that this work will be of great use for fisheries under graduate and post-graduate students. Initial chapters deals with some basic aspects of culturable fishes whereas the middle segment of this book deals with nutritional aspects of fish culture and lastly this book through light on the various aspect of diseases management. Contents Chapter 1: Nature and Life of Fishes; Chapter 2: General Classification and Measurement of External Part of the Body of a Fish; Chapter 3: Classification, Habits and Habitat of Some Important Culturable Freshwater Fishes; Chapter 4: Examination of Gonads and Eggs of Culturable Fishes; Chapter 5: Identification of Fish Seed of Culturable Species of Fish from Pond (Spawn, Fry, Fingerlings); Chapter 6: Stocking of Spawn and Fry in Nursery Ponds; Chapter 7: Natural and Supplementary Feeds of Cultivable Fishes and Estimation of Feed Conversion Ration (FCR) and Food Conversion Efficiency (FER); Chapter 8: Feed and Nutritional Requirement of Pond Fishes; Chapter 9: Manuring and Fertilization of Nursery Ponds; Chapter 10: Various Types of Fish Ponds and the Implements Used in Fish Farming; Chapter 11: Various Aspects of Management Practices used in Fish Farming; Chapter 12: Common Aquatic Weeds of Freshwater Fish Ponds; Chapter 13: Control of the Common Aquatic Weeds of Freshwater; Chapter 14: Identification and Control of Aquatic Insects of Fish Ponds; Chapter 15: Heavy Metal Toxicity in Fishes; Chapter 16: Fish Production in Relation to Aquacultural Development in India: A Review; Chapter 17: Data Requirement for Planning and Management of Inland Fisheries; Chapter 18: Causes of Fishes Decline and Efforts for Revival and Statistic.