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Journal of Fisheries and Aquatic Science
Year: 2014  |  Volume: 9  |  Issue: 4  |  Page No.: 170 - 175

Maturation and Spawning of Commercially Important Penaeid Shrimp Penaeus monodon Fabricus at Pazhayar Tamil Nadu (South East Coast of India)

D. Kannan, K. Jagadeesan, N. Shettu and P. Thirunavukkarasu    

Abstract: The Penaeid shrimp commonly known as tiger shrimp is commercially important candidate species for brackish water aquaculture in India. The spawning seasons of penaeid shrimp, P. monodon from Pazhayar coast were studied on the basis of ovarian colour. During maturation shrimp ovaries pass through a series of colour changes. Females with olive green i.e., black green with butterfly band shaped ovaries considered as fully ripening one which is ready to spawn. The presence of fully ripened ovaries of P. monodon throughout the year suggests that these shrimp have the potential for spawning all the twelve months in a year. However, P. monodon noticed with two spawning peaks viz., March and August. Among these two seasons, the highest number of stages with maturity was noticed in the month of March.

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