This study on the reproduction of bonga Ethmalosa fimbriata in Bietri Bay was carried out between December 2016 and November 2017. On a sample of 1080 specimens, certain reproduction parameters were studied in order to contribute to a rational management and sustainable exploitation of this resource. Parameters such as sex ratio, Gonado-somatic Index (GSI), size at first sexual maturity (Ls50), and fecundity were used to assess reproduction. The results obtained showed that reproduction of this fish is a continuous activity throughout the year with maximum intensity during the long dry season from November to March. The overall sex ratio (1:0.70) revealed a predominance of males over females. The size at first sexual maturity was estimated at 6.13 cm and 8.42 cm respectively for males and females. Absolute fecundity varies from 5363 to 30604 oocytes per ovary with relative fecundity between 110 and 320 oocyte per gram of female body weight.
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"Reproductive biology of ethmalosis Ethmalosa fimbriata (Bowdich) in Bietri bay, an estuarine area of Ebrie lagoon, Côte d’Ivoire", IJRTI - International Journal for Research Trends and Innovation (www.ijrti.org), ISSN:2456-3315, Vol.8, Issue 2, page no.401 - 408, February-2023, Available :https://ijrti.org/papers/IJRTI2302066.pdf
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Acknowledgements
The authors would like to thank the reviewers and the editorial board of International Journal for Research Trends and Innovation for their careful reading and constructive comments, and all colleagues who supported the preparation of this manuscript.