Fish parasitism in a new impoundment and differences upstream and downstream |
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Authors: | Gerald L Mackie William B Morton Mark S Ferguson |
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Institution: | (1) Department of Zoology, University of Guelph, N1G 2W1 Guelph, Ontario, Canada |
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Abstract: | The parasitic fish fauna in Guelph Lake, a four-year old impoundment, were compared with those in upstream and downstream localities. The lacustrine assemblage of the young mesotrophic to eutrophic impoundment was dominated by the cestodes, Ligula intestinalis and Proteocephalus ambloplites, and the nematode, Philometra sp. The acanthocephalan, Neoechinorhynchus saginatus, and the nematode, Rhabdacona cascadilla dominated the rheophilous assemblage of fish parasites, but the prevalence rate and intensity of R. cascadilla was significantly reduced downstream. |
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Keywords: | fish parasites artificial impoundment lacustrine fish parasites rheophilic fish parasites |
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