1. INTRODUCTION 2. WATER ECOSYSTEM 3. COMPOSITE FISH CULTURE 4. CATFISH CULTURE 5. FRESHWATER PRAWN CULTURE 6. INTEGRATED FISH CULTURE 7. COLD WATER FISH CULTURE 8. CAGE FISH CULTURE 9. SEWAGE FED FISH CULTURE 10. CULTURE OF MISCELLANEOUS ORGANISMS 11. FOOD FISHERY 12. PUBLIC HEALTH AND FLORAL FISHERY 13. ORNAMENTAL FISHERY