Ciri Morfologi Jenis Kelamin dan Kedewasaan Lobster Mutiara (Panulirus ornatus)

Abstract: The aims of this research are to know the characteristics of female and male, and matured ornated lobster based on primary and secondary morphology. Observation of external and internal morphology relating to reproductive lobster was done at different size classes those are transparent puerulus, morphology looks like broodstock 1,5-2,0 g; pigmented puerulus 2-4 g; juvenil 50-250 gr; and adult measure 594 - 3420 gr, adult and berried female. The samples were taken directly from nature to be observed and partly were reared to know the maturity. Sex characteristics at female are ovary is in the form of like letter 'H', gonadophore at the basal of third walking leg, the back part of the fifth walking involved three branches and swimmning leg consisted of two sheets. At male is gonadophore laying at the fifth basal walking leg, the back part of the fifth walking leg has no branch and swimming leg only as a sheet. External morphology on adulthood lobster female marked by the forming of plumose seta growing around 37 months, body weight 559 g and carapace length 20,3 cm. Plumose setae grows at fourth of swimming leg, like pinfeather at inner periphery side and in permanent character. Adulthood male marked by getting bigger of gonadophore of the fifth walking leg.
Keyword: ornated lobster, Panulirus ornatus, sex, adulthood
Penulis: Yusnaini
Kode Jurnal: jpperikanandd090110

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