Spatial distribution of two gill monogenean species from Sarotherodon melanotheron (Cichlidae) in man-made Lake Ayamé 2, Côte d’Ivoire
Journal Title: Journal of Biodiversity and Environmental Sciences (JBES) - Year 2017, Vol 10, Issue 2
Abstract
This study describes the spatial distribution of two monogenean species, Cichlidogyrus halinus and C. halli on the gills of Sarotherodon melanotheron from man-made Lake Ayamé 2. A total of 96 S. melanotheron were sampled between July 2015 and April 2016. After sampling host, parasites were collected and mounted from each sector of the gill arch. Determination of various monogenean species was carried out by classical methods. Results were analysed with regard to general occurrence of the parasites, mixed infection and single-species infection. A total of 10251 C. halinus and 5298 C. halli were collected from the fish hosts. A prevalence of 90.63%, abundance of 106.78 and mean infection intensity of 117.83 for C. halinus and 89.58%, 55.19, 61.60 for C. halli were found. There were no preference observed in the distribution of parasites species over the gill arches between left and right sides of the host. Cichlidogyrus halinus preferred gill arch I and the distal-median, distal-dorsal parts of the gill, whereas C. halli was found mostly on the gill arches I, II and the distal-median, distal-dorsal parts. In general occurrence of the parasites, mixed infection and single-species infection, the distribution of these species on the gill apparatus has not changed. This indicates the reciprocal tolerance of these parasites.
Authors and Affiliations
Yedehi Euphrasie Adou, Kassi Georges Blahoua, Stanislas Silvain Yao, Valentin N’Douba
Keywords
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