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International Journal of Fisheries and Aquatic Studies
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P-ISSN: 2394-0506, E-ISSN: 2347-5129

International Journal of Fisheries and Aquatic Studies

2020, Vol. 8, Issue 3, Part B

Habits and food ethology of Synodontis membranaceus Geoffroy Saint-Hilaire, 1809 (Siluriformes, Mochokidae) in the Bagoué River (Côte d’Ivoire)


Author(s): Kassoum Kouyate, Zeré Marius Gogbe and Valentin N'douba

Abstract: The diet of Synodontis membranaceus Geoffroy Saint-Hilaire, 1809 was studied in the Bagoué River (Côte d’Ivoire). A total of 255 stomachs were examined. The Food Relative Importance Index was used to assess the relative importance of the prey consumed. Spearman's rank correlation test was applied to compare the diet of S. membranaceus based on climatic seasons, sampling stations and individual size. Analysis of stomach contents revealed that S. membranaceus consumes insects, arachnids, molluscs, macrophytes, phytoplankton, zooplankton and detritus. Fish eggs and scales, nematodes and indeterminate food are also part of his diet. Some stomachs contained grains of sand and mud. These results indicate that this species is benthophageal omnivorous. No changes in diet were observed depending on the seasons, stations and size of the specimens examined. These results indicated dietary flexibility in the S. membranaceus feeding strategy.

Pages: 120-127  |  970 Views  285 Downloads

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International Journal of Fisheries and Aquatic Studies
How to cite this article:
Kassoum Kouyate, Zeré Marius Gogbe, Valentin N'douba. Habits and food ethology of Synodontis membranaceus Geoffroy Saint-Hilaire, 1809 (Siluriformes, Mochokidae) in the Bagoué River (Côte d’Ivoire). Int J Fish Aquat Stud 2020;8(3):120-127.
International Journal of Fisheries and Aquatic Studies

International Journal of Fisheries and Aquatic Studies

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