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Egyptian Journal of Aquatic Biology and Fisheries
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AbouelFadl et al., K. (2024). A Comparison of the Reproductive Patterns of Oreochromis niloticus from Two Distinct Locations: Wadi Halfa, Sudan, and Aswan, Egypt. Egyptian Journal of Aquatic Biology and Fisheries, 28(3), 125-136. doi: 10.21608/ejabf.2024.354840
Khaled Y. AbouelFadl et al.. "A Comparison of the Reproductive Patterns of Oreochromis niloticus from Two Distinct Locations: Wadi Halfa, Sudan, and Aswan, Egypt". Egyptian Journal of Aquatic Biology and Fisheries, 28, 3, 2024, 125-136. doi: 10.21608/ejabf.2024.354840
AbouelFadl et al., K. (2024). 'A Comparison of the Reproductive Patterns of Oreochromis niloticus from Two Distinct Locations: Wadi Halfa, Sudan, and Aswan, Egypt', Egyptian Journal of Aquatic Biology and Fisheries, 28(3), pp. 125-136. doi: 10.21608/ejabf.2024.354840
AbouelFadl et al., K. A Comparison of the Reproductive Patterns of Oreochromis niloticus from Two Distinct Locations: Wadi Halfa, Sudan, and Aswan, Egypt. Egyptian Journal of Aquatic Biology and Fisheries, 2024; 28(3): 125-136. doi: 10.21608/ejabf.2024.354840

A Comparison of the Reproductive Patterns of Oreochromis niloticus from Two Distinct Locations: Wadi Halfa, Sudan, and Aswan, Egypt

Article 7, Volume 28, Issue 3, May and June 2024, Page 125-136  XML PDF (803.88 K)
Document Type: Original Article
DOI: 10.21608/ejabf.2024.354840
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Author
Khaled Y. AbouelFadl et al.
Abstract
Reproduction is among the most vital biological processes in the life cycle of any organism, such as fish. The biology of Oreochromis niloticus reproduction in Lake Nasser and Lake Nubia was studied using different mesh sizes of gill nets. A total of 480 Oreochromis niloticus were caught from Lake Nasser, Egypt, and 369 from Lake Nubia, Sudan, from January through December 2021. Sex ratio size at first maturity and maturity stages of O. niloticus were examined. In Nasser's Lake, the sex ratio of male to female was 1:1.02, whereas in Lake Nubia, it was 1:0.89. The first maturity length in Lake Nasser was 27.5cm for males and 27cm for females, while in Lake Nubia, it was 32cm for males and 26cm for females. The gonado somatic index indicated that the species breeds in Lake Nasser and Nubia during summer and spring, respectively. 
Keywords
Reproduction; Oreochromis niloticus; Wadi Halfa; Lake Nasser
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