Reproductive Biology of Round Sardinella (Sardinella Aurita) (Valenciennes, 1847) in Senegalese Coastal Waters

Ismaïla NDIAYE, Alassane SARR, Alioune FAYE, Modou THIAW, Malick DIOUF, Kamarel BA, Waly NDIAYE, Najih LAZAR, Omar Thiom THIAW


In this study, a total of 1068 specimens Sardinella aurita of which 553 females and 515 males were examined. The objectif of this study was to determine the reproductive parameters of Sardinella aurita. The sex ratio was significantly in favor of females (55%). The size at first sexual maturity was estimated at 18.9 cm for females and 18.0 cm for males. The monthly variation of sexual maturity stages and gonado-somatic index (GSI) allowed to locate the reproduction periods from February to June and from September to December. The mean absolute fecundity was estimated at 110.794 ± 7582 oocytes whereas relative fecundity was about 422 ± 26 oocytes per gram of female.

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Copyright (c) 2018 Alassane Sarr

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Journal of Biology and Life Science  ISSN 2157-6076


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