Biologie de Ethmalosa Fimbriata (Bowdich) en Côte d'Ivoire. 3 - Étude des Migrations en Lagune Ebrié

Gerlotto, F. (1979) Biologie de Ethmalosa Fimbriata (Bowdich) en Côte d'Ivoire. 3 - Étude des Migrations en Lagune Ebrié. Documents Scientifiques, Centre de Recherches Océanographiques, Abidjan, 10(2), pp. 3-41.

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Abstract

Spawning of bonga (Ethmalosa fimbriata Bowdich) takes place in polyhalin waters (Sppt. > 5ppt.). Migrations of young fish were studied by the mean of length data observed in different points of the lagoon from the artisanal fishery. Bonga remain 4 months in the hatchery (6 cm), before they expand in the whole lagoon until the age of 9/10 months. After this expansion phase, the fishes come back to the spawning fields (spawning length: 14/15 cm). Postspawning fishes leave the lagoon. Between birth and spawning, bonga are not affected by salinity changes, but reproduction occurs only in waters where salinity is higher than 5ppt.

Item Type: Article
Title: Biologie de Ethmalosa Fimbriata (Bowdich) en Côte d'Ivoire. 3 - Étude des Migrations en Lagune Ebrié
Personal Creator/Author:
CreatorsEmail
Gerlotto, F.
Journal or Publication Title: Documents Scientifiques, Centre de Recherches Océanographiques, Abidjan
Volume: 10
Number: 2
Page Range: pp. 3-41
Date: December 1979
Issuing Agency: Centre de Recherches Océanographiques, Côte d'Ivoire
Uncontrolled Keywords: Côte d'Ivoire; Lagune Ebrié; Ethmalosa fimbriata; bonga; spawning; salinity
Subjects: Biology
Ecology
Fisheries
Item ID: 7980
Depositing User: Ms Maria Kalentsits
Date Deposited: 08 Mar 2012 12:52
Last Modified: 08 Mar 2012 12:52
URI: http://aquaticcommons.org/id/eprint/7980

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