3. Prepared by T. Madhavan & K. Chandrasekaran, Lecturers in Zoology, Directorate of School Education., Pondicherry. An Illustration for the students who aspire for medical studies. Prawns The Prawns are one of the most economically important fishery organism of India. It helps to earn a sizable amount of foreign exchange. The prawns are the most esteemed food among the marine food organisms. Therefore, they are in great demand both in the local and International markets.

4. Prepared by T. Madhavan & K. Chandrasekaran, Lecturers in Zoology, Directorate of School Education., Pondicherry. An Illustration for the students who aspire for medical studies. Prawns Prawns are a rich source of protein and vitamin A and D. They contain considerable quantities of glycogen and free aminoacids in their muscles. As they contain very little fat, they have become a favourite protein food for the weight conscious persons.

5. Prepared by T. Madhavan & K. Chandrasekaran, Lecturers in Zoology, Directorate of School Education., Pondicherry. An Illustration for the students who aspire for medical studies. Indian Prawns of Commercial importance Penaeus Indicus, Penaeus monodon. Penaeus japonicus P.styliferus Metapenaeus dobsoni. M. monoceros, M. affinis. M.brevicornis, Parapeaeopsis stylifera, P.sculptilis, Macrobrachium rosenbergil, M.malcomsonii, Palaeomon tenuipes,

6. Prepared by T. Madhavan & K. Chandrasekaran, Lecturers in Zoology, Directorate of School Education., Pondicherry. An Illustration for the students who aspire for medical studies. Prawns Fresh water Prawns inhabit rivers and lakes across the entire country. They migrate to brackish water for breeding. E.g., Macrobrachium, Palaeomon. Penaeus, Para penaeopsis and Meta Penaeus are the important genera of the Indian coast. The Practice of rearing Prawns as a secondary crop between November and April in the fields along the coastal areas in India should be a step towards increased production of fresh water prawns.

7. Prepared by T. Madhavan & K. Chandrasekaran, Lecturers in Zoology, Directorate of School Education., Pondicherry. An Illustration for the students who aspire for medical studies. Prawns Fresh prawns are packed in ice and sent to inland markets for consumption. Large specimens are frozen directly between layers of ice. Smaller varieties are boiled, shelled and then packed between ice. Prawns are cured. This includes sun drying, salting and pickling.

8. Prepared by T. Madhavan & K. Chandrasekaran, Lecturers in Zoology, Directorate of School Education., Pondicherry. An Illustration for the students who aspire for medical studies.