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On the breeding of a penaeid prawn, Metapenaeus dobsoni in the brackish water medium

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  • Prawn And Prawn Fisheries


Laboratory spawning of a mature female Metapenaeus dobsoni obtained from the Cochin Backwater and kept in the brackish water medium (salinity 30.22%o, temperature IT.S'C) is reported. The eggs reared in the brackish water medium hatched out into nauplii, but none of them developed further. On transferring a few nauplii to the sea water (salinity 34.02%o) after two days, they transformed into abnormally developed protozoeae. The importance of this - observation in the context of breeding of Indian penaeid prawns and from the point of view of their culture in the coastal estuaries is pointed out.

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