Figure 12.4 shows the structure of a lobster, a representative crustacean. A crayfish, which is a freshwater form, differs morphologically from the lobster only in minor respects. The lobster has 20 segments, the first 13 of which are united on the dorsal side in a combined head and thorax, or cephalothorax. A heavy shield, or carapace, arises from the head [...]
List of twenty-four commercially important species of prawn:- 1. Hippolysmata Ensirostris 2. Palaemon Styliferus 3. Palaemon Tenuipes 4. Macrobrachium Malcomsonii 5. Macrobrachium Rosenbergii 6. Macrobrachium Rude 7. Heterocarpus Wood-Masoni 8. Parapandalus Spinipes 9. Plesiotiika Martia 10. Aristeus Semidentatus 11. Atypopenaeus Stenodactyius and Others. 1. Hippolysmata Ensirostris: Hippolysmata Ensirostris is distributed in India (along the coasts) Myanmar, Sri Lanka and Sumatra [...]
Learn about the comparison between traditional and modern systems of shrimp culture. In traditional system of culture, natural stocking was done through intake of tidal water which carried large numbers of shrimp larvae. These ponds were simple in design and were meant to serve largely as trap ponds. Shrimp larvae were also released directly into the rearing or production ponds [...]