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Determinants of the parasite community of clariid fishes from Lake Victoria, Tanzania

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dc.creator Mwita, Chacha
dc.creator Gamba, Nkwengulila
dc.date 2015-12-17T14:25:40Z
dc.date 2015-12-17T14:25:40Z
dc.date 2008
dc.date.accessioned 2018-04-18T11:49:25Z
dc.date.available 2018-04-18T11:49:25Z
dc.identifier doi: 10.1017/S0022149X07839745
dc.identifier http://hdl.handle.net/123456789/152
dc.identifier.uri http://hdl.handle.net/123456789/9861
dc.description The factors that determine parasite assemblages among the clariid fishes of Lake Victoria, Tanzania were studied between August 2003 and February 2005. Six hundred and fifty-six fish belonging to seven species were necropsied and examined for parasites, from which 31 species of metazoan parasites were recorded. The community was dominated by the nematodes both in species and numbers. Most species were generalists with only two trematodes, Diplostomum mashonense and Tylodelphys species, being specialists of Clarias gariepinus. Ten species were considered core and predictable. Parasite species richness, number of individuals per host and Shannon–Wiener diversity indices were generally high. At the compound community level, a mean number of 7.8 parasites were shared among different species of fish and the maximum number of parasites species per fish at the infracommunity level was seven. Levels of similarity in parasite species richness at the component community level ranged from 29.6 to 61.5%. The study concludes that parasite communities in clariid fishes of Lake Victoria are structured by ecological factors. At the infracommunity level, host size, diet and vagility promoted a richer parasite community. At the compound level, two factors were crucial, namely the intermixing of the waters in the lake and the predominant and mobile C. gariepinus.
dc.description Lake Victoria Environmental Management Project (LVEMP I)
dc.language en
dc.publisher Cambridge University Press
dc.relation doi: 10.1017/S0022149X07839745;Paper
dc.subject Clariid’s parasites phylogeny
dc.subject Lake Victoria
dc.subject Tanzania
dc.title Determinants of the parasite community of clariid fishes from Lake Victoria, Tanzania
dc.type Journal Article, Peer Reviewed


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