Endoparasite infracommunities of Hemisorubim platyrhynchos (Valenciennes, 1840) (Pisces: Pimelodidae) of the Baía River, upper Paraná River floodplain, Brazil: specific composition and ecological aspects
| Autor: | Gilberto Cezar Pavanelli, A. Isaac, R. M. Takemoto, G. M. Guidelli |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2003 |
| Předmět: |
Male
food.ingredient Floodplain QH301-705.5 Science Host-Parasite Interactions Hemisorubim platyrhynchos Pimelodidae food Rivers lcsh:Botany lcsh:Zoology Parasite hosting Helminths Dominance (ecology) Animals lcsh:QL1-991 Biology (General) lcsh:Science lcsh:QH301-705.5 helminths geography Larva geography.geographical_feature_category biology Ecology Botany Cucullanus biology.organism_classification fishes lcsh:QK1-989 lcsh:Biology (General) QL1-991 QK1-989 Zungaro lcsh:Q Female ecology General Agricultural and Biological Sciences Zoology Brazil |
| Zdroj: | Brazilian Journal of Biology, Vol 63, Iss 2, Pp 261-268 (2003) Scopus-Elsevier Brazilian Journal of Biology v.63 n.2 2003 Brazilian Journal of Biology Instituto Internacional de Ecologia (IIE) instacron:IIE |
| ISSN: | 1678-4375 |
| Popis: | Parasites of 136 specimens of Hemisorubim platyrhynchos, popularly called jurupoca, were analyzed. Fourteen parasite species were recorded: four digeneans (Crocodilicola pseudostoma, one Gorgoderidae species, Sanguinicola platyrhynchi, and Sphincterodiplostomum sp.); three cestodes (Goezeella paranaensis, Spatulifer maringaensis, and Mariauxiella piscatorum); five nematodes (Contracaecum Type 1 larvae of Moravec, Kohn, & Fernandes, 1993; Contracaecum Type 2 larvae of Moravec, Kohn, & Fernandes, 1993; Cucullanus (Cucullanus) zungaro; Eustrongylides ignotus; and Goezia sp.); one acanthocephalan (Quadrigyrus machadoi), and one pentastomid (Sebekia sp.). Most of the helminth specimens were found in larval stages, confirming that H. platyrhynchos is a significant source of their transmission. No dominance was reported. With the exception of Contracaecum Type 2 (featuring random dispersion), the species had a clumped pattern of dispersion in the host sample. Evidence of competition among parasite species was not reported. Several species of parasites were correlated with host size and sex. This fact may be explained by increase in food content and possible behavioral modifications of male and female hosts. Infracommunity diversity was not related to host size or sex. |
| Databáze: | OpenAIRE |
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