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: |
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| 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: | Mr Luigi Baldassari | ||||
| Date Deposited: | 08 Mar 2012 13:52 | ||||
| Last Modified: | 08 Mar 2012 13:52 | ||||
| URI: | http://aquaticcommons.org/id/eprint/7980 |
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