1. Global aquaculture industry 2. Infectious diseases in fish-part I 3. Infectious diseases in fish-part II 4. Central themes in animal physiology- pathogen interaction 5. Bacteria, parasite and other pathogens affecting aquatic food supply 6. Pathogen effects on anatomy, physiology, pathology and toxicology 7. Physiological effects on fish, crustaceans 8. Mucosal pathogenesis in fish 9. Some preventative measures, including vaccination and biosecurity 10. Features post infection solutions in pharmacology and pain management