Contents: 1. Introduction. 2. Food and Feeding of Fishes. 3. Age and Growth. 4. Methods for Estimation of Age. 5. Maturity Stages of Fish (IMC). 6. Spawning in Fishes. 7. Fecundity of Fish. 8. Chanos chanos (Forsskal, 1775). 9. Channa marulius (Hamilton, 1822). 10. Channa striatus (Bloch, 1785). 11. Tenualosa ilisha (Hilsa ilisha)(Hamilton, 1822). 12. Catla catla (Hamilton, 1822).13. Cirrhinus mrigala (Hamilton, 1822). 14. Ctenopharyngodon idella (Valenciennis, 1846). 15. Cyprinus carpio Var. Communis(Linnaeus, 1758). 16. Hypophthalmichthys molitrix (Valenciennis, 1846). 17. Labeo calbasu (Hamilton, 1822). 18. Labeo rohita (Hamilton, 1822). 19. Tor putitora (Hamilton, 1822). 20. Tor tor (Hamilton, 1822). 21. Liza tade (Forsskal, 1775). 22. Mugil cephalus (Linnaeus, 1758). 23. Notopterus chitala (Hamilton, 1822). 24. Anabas testudineus (Bloch, 1792). 25. Etroplus suratensis (Bloch, 1790). 26. Lates calcarifer (Bloch, 1790). 27. Oreochromis mossambica (Peters, 1852) (Tilapia). 28. Oncorhyncus mykis (Richardson, 1836) (Salmo gairdnerii, the Rainbow trout). 29. Salmo trutta fario (Linnaeus, 1758). 30. Clarias batrachus (Linnaeus, 1758). 31. Heteropneustes fossilis (Bloch, 1794). 32. Mystus Seenghala (Sykes, 1839). 33. Ompak bimaculatus (Bloch, 1797). 34. Wallago attu (Bloch & Schneider, 1801). 35. Macrobrachium rosenbergii (de Man, 1879). 36. Macrobrachium malcolmsonii (H. Milne Edwards, 1844). 37. Fenneropenaeus indicus (H. Milne Edwards, 1837). 38. Penaeus monodon (Fabricius, 1798). 40. Lobsters. 41. Scylla serrata (Forsskal, 1755).