Adaptive growth of the species Ethmalosa fimbriata (Bowdich) in a polluted environment: Case of Bietry Bay, Abidjan, Côte d’Ivoire
Paper Details
Adaptive growth of the species Ethmalosa fimbriata (Bowdich) in a polluted environment: Case of Bietry Bay, Abidjan, Côte d’Ivoire
Abstract
Ethmalosa fimbriata (Bowdich) is a species exploited by the riverside populations of the Ebrié lagoon. Morphometric measurements of all specimens of Ethmalosa fimbriata caught in the highly anthropized Bietry Bay were used to study their growth. The samples were collected from fishermen’s catches from April 2020 to September 2021. In Ethmalosa fimbriata, the total length (Lt) varied from 76.18 to 119.39 mm and from 5 to 14 g for weight (W). The allometry coefficient b was significantly different from 3 for the seize-weight relationship and from 1 for seize-seize relationships. Therefore, the growth was of negative allometry type for this species living on the coast and off the bay. Environmental factors related to the pollution in the Bay of Bietry influenced the growth of both species of fish.
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