Publications Scientifiques

[ Article ] Biodiversity, length-weight patterns and condition factors of cichlid fishes (Perciformes: Cichlidae) in brackish water and freshwater lakes of the Mono River, Southern Benin, West Africa

Date de soumission: 01-03-2018
Année de Publication: 2017
Entité/Laboratoire Laboratoire d'Ecologie et de Management des Ecosystèmes Aquatiques (LEMEA)
Document type : Article
Discipline(s) : Hydrobiologie et Aquaculture
Titre Biodiversity, length-weight patterns and condition factors of cichlid fishes (Perciformes: Cichlidae) in brackish water and freshwater lakes of the Mono River, Southern Benin, West Africa
Auteurs ADITE ALPHONSE [1], TOSSAVI EPHREM [2],
Journal: International Journal of Fauna and Biological Studies
Catégorie Journal: Internationale
Impact factor: 0
Volume Journal: 4
DOI: ISSN 2347-2677
Resume Cichlids are the major components of the ichthyodiversity and fisheries in tropical Africa. In Southern Benin, cichlids is of great importance and made about half (49.82%) of the inland fisheries. This study assessed diversities, length-weight models and condition factors of cichlids in South-Benin in order to contribute to species conservation and management. Six (6) cichlids dominated by Sarotherodon melanotheron (72.92%), a native species and Oreochromis niloticus (20.83%), an invasive alien species were recorded in Lake Toho. Likewise, the coastal zone comprised nine (9) cichlids dominated by S. melanotheron (74.49%) and Tilapia guineensis (20.06%). In both habitats, dominant species showed isometric growth patterns. The results showed significant (p≤0.0001) variations in the condition factors across both habitats. In Benin, cichlids have a high potential in fisheries and in aquaculture. Further studies are required and should focus on bioecology, dynamics, fisheries and aquaculture in order to implement a sound community-based approach of habitat protection, conservation and valorization scheme of cichlids species.
Mots clés Alien cichlid, Cichlidae, Condition factors, Conservation/Fisheries, Degradation, Isometric growth
Pages 26 - 34
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