Metazoan parasite community of Steindachnerina brevipinna (Curimatidae) from Southern Brazil
| Autor: | Tiago Lopes Ceschini, Ricardo Massato Takemoto, Luís Henrique de Aquino Moreira, Gilberto Cezar Pavanelli, Fábio Hideki Yamada |
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| Rok vydání: | 2010 |
| Předmět: |
metazoan parasite
Medicine (General) Curimatidae Ecology Agriculture (General) Parasitism Zoology Aquatic animal Biology biology.organism_classification S1-972 ecological relationships R5-920 Ecological relationship steindachnerina brevipinna Parasite hosting Helminths Dominance (ecology) Animal Science and Zoology Parasitology Species richness |
| Zdroj: | Helminthologia, Vol 47, Iss 3, Pp 164-169 (2010) |
| ISSN: | 1336-9083 0440-6605 |
| DOI: | 10.2478/s11687-010-0025-8 |
| Popis: | In order to examine the ecological relationships of metazoan parasites and their hosts, 63 specimens of Steindachnerina brevipinna have been collected from April to September 2006, in the rivers Guairacá and Corvo, tributaries of the low Paranapanema River. Five different parasite species have been found (Paranaella sp., Sphicterodiplostomum musculosum, Cosmoxynema vianai, Travnema travnema and Spinoxyuris sp.), with parasite richness from 1 to 4. The dominance index (C > 0.25) was calculated for S. musculosum and aggregation of S. musculosum and Paranaella sp. were reported. There were no associations or covariations between the species of parasites. Values did not show interference of parasite abundance at different gonadal maturity stages. The relative condition factor (Kn) did not show significant values regarding quantitative and qualitative data on parasitism. Statistical tests were significant between the prevalence and the abundance of parasites and the standard length of the hosts, as well as for the parasite abundance in different months and tributaries. |
| Databáze: | OpenAIRE |
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