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Diversity of parasites of fish from the Upper Paraná River floodplain, Brazil.
- R. Takemoto, G. C. Pavanelli, +5 authors S. Bellay
- Biology, Medicine
- Brazilian journal of biology = Revista brasleira…
- 1 June 2009
Monogeneans presented the highest number of species, followed by digeneans, and the infection site with the highest species richness was the intestine, with 127 species. Expand
Ecological aspects of metazoan endoparasites of Metynnis lippincottianus (Cope, 1870) (Characidae) from Upper Paraná River floodplain, Brazil
- L. H. A. Moreira, R. Takemoto, F. H. Yamada, T. L. Ceschini, G. C. Pavanelli
- 1 December 2009
Results suggest that species are coexisting without competition in Metynnis lippincottianus, Brazil, and positive association between D. pacupeva and two nematode species was observed, including positive and significant covariation between their abundances. Expand
Endoparasites of Steindachinerina brevipinna (Eigenmann and Eigenmann, 1889), collected in the tributaries Corvo and Guairacá of Paranapanema river, Paraná State, Brazil
The present study records and illustrates a species of digenean, Sphincterodiplastomum musculosum from subfamily Diplostominae, present on the ovary and three species of nematodes, Cosmoxynema vianai Travassos, 1949, Travnema travnema Pereira, 1938 and Spinoxyuris sp. Expand
Parasitism associated with length and gonadal maturity stage of the freshwater fish Metynnis lippincottianus (Characidae).
According to gonadal maturity stage, the host may or may not have an increased susceptibility to parasites, suggesting a cumulative process causing higher parasite abundance in larger fish and in the mature stage (more time of exposure) than the immature stage (young fish). Expand
The influence of parasitism on the relative condition factor (Kn) of Metynnis lippincottianus (Characidae) from two aquatic environments: the upper Parana river floodplain and Corvo and Guairacá…
The study analyzed 84 specimens of Metynnis lippincottianus (Cope, 1870) (Characidae) from two environments with different degrees of impact due to a hydroeletric plant; 44 hosts from the upper… Expand
Metazoan parasite community of Steindachnerina brevipinna (Curimatidae) from Southern Brazil
- T. L. Ceschini, R. Takemoto, F. H. Yamada, L. H. A. Moreira, G. C. Pavanelli
- 1 September 2010
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. Expand
Endoparasite community structure of three fish species in tributary streams of the river Pirapó, Paraná state, Brazil.
There appeared to be no relationship between parasitism with features/peculiarities of analyzed hosts (fishes), as would have been expected with high specificity parasites. Expand
Urbanization effects on the host/parasite relationship in fishes from tributary streams of Pirapó River, Paraná State: assessment of potential environmental bioindicators
It was verified that the parasite species S. oxycephala and Cucullanus (C.) pinnai are inadequate as bioindicators of environmental quality. Expand
Study of the gastrointestinal parasites in felines from Itaipu Binacional wild animal nursery, Brazil.
To discover what kinds of intestinal parasites infected the felines of the Itaipu Binacional wild animal nursery (CASIB), two methods were processed in the feline’s faecal samples: Sedimentation (HPJ) and Rithie. Expand
[New occurrences of metacercariae of Austrodiplostomum compactum (Lutz, 1928) (Platyhelminthes: Digenea) eye flukes of fish from the Paraná Basin].
- F. H. Yamada, L. H. A. Moreira, T. L. Ceschini, R. Takemoto, G. C. Pavanelli
- Revista brasileira de parasitologia veterinaria…
New occurrences of this metacercariae infecting the eyes of four new hosts of fish, Serrasalmus maculatus collected in the Rosana reservoir in the Paranapanema river and Hypostomus regani, Schizodon borellii and Auchenipterus osteomystax collection in the the Upper Paraná River floodplain are registered. Expand