Fatty acid component and valuable nutrition of machrobrachium nipponense shrimp in the west, center and east habitats of Anzali Wetland.

In the last years, an invasive species, the oriental river prawn (Macrobrachium nipponense), has adapted in Anzali wetland (Iran), and it is a treated for this wetland. Current study demonstrated the preventive strategy for capture of the M. nipponense shrimp as a valuable nutrition and fatty acids components. Samplings were done with electroshock instrument seasonally at three habitats of Anzali wetland. Results showed that there was not significant different between total fatty acids and MUFA fatty acids at three habitats (p<0.05). But there was significant different between C20:4n6, C20:5n3 and C22:4n6. The range of AI and TI indexes was between 1.4 to 2.02 and 0.42 to 0.50 respectively at three habitats. The amounts of current data, n-3/n-6 and EPA/DHA ratios were lower than the maximum amount of reported data by U.K health department. So we can suggest that this species is as a health food for human.According to the preventive strategy for control of M. nipponense population, the fishery of this species is useful as a nutritional food, economic and rural development.