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:: Volume 10, Issue 3 (5-2016) ::
JAD 2016, 10(3): 93-104 Back to browse issues page
Determination of fecundity, weight – fecundity relationship, oocyte diameter and sex ratio of polychaete Perinereis nuntia in the coastal waters of Persian Gulf (Bandar Abbas, Iran)
M. Darya * , M.M. Sajjadi , I. Sourinejad
Department of Fisheries, Faculty of Marine and Atmospheric Sciences and Technologies, University of Hormozgan, Bandar Abbas
Abstract:   (2449 Views)

Perinereis nuntia is one of the best live foods for Penaeid shrimps broodstock in the world. In this study some biological characteristics of P. nuntia including: sex ratio, fecundity, fecundity-weight correlation and oocyte diameter were studied. Sampling was done monthly in one-year period from January 2012 to December 2013, at 3 stations in the coastal zone of Bandar Abbas. The results showed that the highest frequencies of males and females occurred in March, April and May due to the fact that this species is semelparous and population of adults sharply drops in June. Sex ratio of this species was 1:1. Minimum and maximum absolute fecundity were observed in a 642 mg specimen with 49006 eggs and a 1626 mg specimen with 393245 eggs, respectively; and mean fecundity of this species in the coastal waters of Bandar Abbas was 192344 ± 94716 eggs per each adult. The correlation between total fecundity and weight of 200 polychaete worms was calculated as y=255.42 x-74904 with 0.736 correlation coefficient. The maximum mean of oocyte diameter was 255 µm observed in the last stage of sexual maturation (stage 4). This species can be considered as a suitable species for propagation and culture due to high rate of fecundity.

Keywords: fecundity, oocyte diameter, effect of weight, Polychaete Perinereis nuntia, Persian Gulf
Full-Text [PDF 1173 kb]   (864 Downloads)    
Type of Study: Research | Subject: Special
Received: 2016/10/11 | Accepted: 2016/10/11 | Published: 2016/10/11
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Darya M, Sajjadi M, Sourinejad I. Determination of fecundity, weight – fecundity relationship, oocyte diameter and sex ratio of polychaete Perinereis nuntia in the coastal waters of Persian Gulf (Bandar Abbas, Iran). JAD 2016; 10 (3) :93-104
URL: http://aqudev.liau.ac.ir/article-1-408-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 10, Issue 3 (5-2016) Back to browse issues page
نشریه توسعه آبزی پروری Journal of Aquaculture Development
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