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International Journal of Fisheries and Aquatic Studies
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(ICV-Poland) Impact Value: 76.37, Impact Factor: RJIF 5.69
E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2016, Vol. 4, Issue 5, Part B

Evolution of catches and variability in the life history traits of the bonga shad, Ethmalosa fimbriata (Bowdich, 1825), a highly targeted small pelagic fish in West African coastal waters


Author(s): Ousseynou Samba, Khady Diouf, Waly Ndiaye, Moustapha Mbengue, Khady Diop, Papa Ndiaye and Jacques Panfili

Abstract: An updated study of the main life history traits of the bonga shad, Ethmalosa fimbriata (Bowdich, 1825), was undertaken in Senegalese coastal waters, together with an evaluation of the captures and fishing effort over the past 33 years. Captures varied considerably over the years, with a peak in 2001. The condition factor varied irregularly between the years. The reproductive period mainly occurred from January to July, the size at first sexual maturity was similar for both sexes (≈180 mm), and the absolute fecundity was very variable (133,000 ± 70,000 eggs, mean ± SD). Growth was rapid and variable with longevity of 6-7 years. These updated biological parameters indicated that the bonga shad is full-exploited in the area and that the fishing effort should be reduced and the permitted mesh size reviewed for conservation management measures.

Pages: 98-108  |  808 Views  34 Downloads

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How to cite this article:
Ousseynou Samba, Khady Diouf, Waly Ndiaye, Moustapha Mbengue, Khady Diop, Papa Ndiaye and Jacques Panfili. Evolution of catches and variability in the life history traits of the bonga shad, Ethmalosa fimbriata (Bowdich, 1825), a highly targeted small pelagic fish in West African coastal waters. International Journal of Fisheries and Aquatic Studies. 2016; 4(5): 98-108.
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