Results 51 to 60 of about 1,930 (194)
New species of Cyphocharax (Characiformes: Curimatidae) from the upper rio Negro, Amazon basin
Neotropical IchthyologyA new species of Cyphocharax, Curimatidae, apparently endemic to the blackwater upper rio Negro of the Amazon basin in northern Brazil, is described.The new species is readily distinguished from its congeners by the presence of a distinctly ...
Bruno F. Melo, Richard P. Vari
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Acta Scientiarum: Biological Sciences, 2022 The Araguaia River is an important watercourse located in Central Brazil and well known for its diversity of fish fauna. Differences between landscape and resources in the distinct environments existing in a floodplain can determine the success of a ...
Bernardo Ramos Simões Corrêa +5 more
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New hosts and distribution records of Braga patagonica, a parasite cymothoidae of fishes from the Amazon. [PDF]
, 2019 Specimens of Braga patagonica Schiödte & Meinert, 1884 (Isopoda: Cymothoidae) from freshwater fishes deposited in Ichthyological Collection of Amazon National Research Institute (INPA), in central Amazon and from fishes from eastern Amazon (Brazil) were ...
ARAÚJO, C. S. O. +3 more
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Ecosphere, Volume 9, Issue 1, January 2018., 2018 Abstract Understanding the role of interactions in influencing community structure and ecosystem function is a goal in ecology, and identifying biotic entities that are strong interactors is imperative for setting targeted conservation strategies.
Sebastian A. Heilpern +1 more
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Exploring ecohydrology through the lens of local fishers in the Bolivian Amazon
Ecosphere, Volume 17, Issue 4, April 2026.Abstract The natural flow regimes of Andean‐Amazon tributaries play a vital role in sustaining their rich biodiversity and productive local fisheries, but ongoing and proposed alteration of river flow regimes by large dams threatens to negatively impact river ecosystems. Despite its importance, our understanding of how hydrologic variability influences
Lina G. Terrazas‐Villarroel +4 more
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Neotropical IchthyologySpermiogenesis in the curimatid species, Steindachnerina insculpta, Cyphocharax gillii, C. modestus, C. spilotus, and Potamorhina altamazonica, is characterized by lateral development of the flagellum, nuclear rotation, eccentric nuclear fossa formation,
Irani Quagio-Grassiotto +4 more
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Acta Scientiarum: Biological Sciences, 2013 This work is the first study on parasitic fauna of Curimata cyprinoides Linnaeus, 1766 (Curimatidae) and the host-parasite relationship. The total of 154,740 parasites such as Ichthyophthirius multifiliis (Ciliophora), trophozoite of Spironucleus sp ...
Marcos Tavares-Dias +4 more
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Genetics and Molecular Biology, 2002 In the present study, nuclear DNA content was analyzed in 53 species of Characiformes fish from the Neotropical region. Diploid number ranged from 2n = 48 in Astyanax fasciatus, Gymnocorymbus ternetzi and Hyphessobrycon griemi to 2n = 102 in Potamorhina ...
Margarida Lima Carvalho +4 more
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Parasites in Curimata cyprinoides (Characiformes: Curimatidae) from eastern Amazon, Brazil. [PDF]
, 2017 This work is the first study on parasitic fauna of Curimata cyprinoides Linnaeus, 1766 (Curimatidae) and the host-parasite relationship. The total of 154,740 parasites such as Ichthyophthirius multifiliis (Ciliophora), trophozoite of Spironucleus sp ...
MARINHO, R. das G. B. +4 more
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Peixes detritivoros da planicie inundavel do Rio Miranda, Pantanal, Mato Grosso do Sul, Brasil. [PDF]
, 2015 Foi analisada a alimentacao de 17 especies de peixes detritivoros, pertencentes as familias Prochilodontidae, Curimatidae e Loricariidae, de quatro ambientes da planicie de inundacao (dois meandros abandonados, uma "vazante" e um pequeno lago) de rio ...
PEREIRA, R. A. C., RESENDE, E. K. de
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