Contents: 1. Introduction. 2. Recommendations. 3. Material and methods. 4. Table I : Analysis of genera and species of groupers present in Andaman and Nicobar Islands in relation to those of the world and Indo-Pacific region. 5. Table – II : Analysis of genera and species of snappers present in Andaman and Nicobar Islands in relation to those of the world and Indo-Pacific region. 6. Table – III : Groupers of Andaman and Nicobar Islands. 7. Table – IV : Sale of snapper fish by Andaman Fisheries Ltd. Port Blair from 1996 to 1999. 8 Table –V : Sale of grouper fish by Andaman fisheries Ltd. Port Blair from 1996 to 1999. 9. Systematics of groupers and snappers. 10. External features and measurements of fish. 11. Groupers. 12. Snappers. 13. Glossary. 14. References. 15. Systematic index.