Contents: 1. Introduction. 2. Evolution and phylogeny. 3. Biology and behavior of horseshoe crabs. 4. Present-day distribution. 5. Historical perspective. 6. Objectives. 7. Study area. 8. Methodology. 9. Results and discussion. 10. Breeding biology. 11. Significant horseshoe crab habitats along the coast. 12. Conclusion and recommendation. 13. References.