1. Study of External Organization of Commercially Important Crustaceans 
2. Study of External Organization of Commercially Important Mollusc
3. Digestive System 
4. Respiratory System 
5. Circulatory System 
6. Nervous System 
7. Reproductive System
8. Excretory System 
9. Food And Feeding Habits of Crustaceans and Molluscs 
10. Methods of Stomach (Gut) Content Analysis of Shellfish 
11. Length Weight Relationship 
12. Age Determination in Crustaceans and Molluscs 
13. Growth and Molting
14. Developmental Biology of Shellfishes 
15. Reproductive Biology of Crustaceans 
16. Larval Stages of Commercially Important Crustaceans and Mollusc