Shellfish, a group of invertebrates and aquatic organism, is covered by chitinous or calcareous exoskeleton. Shell means an outer covering or layer which is popularly known as “Khoalos” in Bengali. Shellfishes are belonging to two major Phylum Arthropoda and Mollusca.
Shrimp sector is playing a significant role in foreign exchange earning, employment generation and poverty reduction in Bangladesh. The two main centres of shrimp production are located in the Southwestern part composed of Khulna, Satkhira and Bagerhat districts; and the