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Diet and ecomorphology of Leporinus reticulatus (Characiformes: Anostomidae) from the upper Rio Juruena, MT, Brazil: ontogenetic shifts related to the feeding ecology
The conservation of diverse and well-distributed fish taxa, as the genus Leporinus, relies intrinsically on the knowledge of the ecological attributes of its representatives. Aiming to increase thisExpand
Biology and population features of a rare species of Pseudopimelodidae from the Upper Paraná River Basin
Rios de pequeno porte abrigam uma importante fracao da diversidade ictiofaunistica sul-americana, caracterizada principalmente por especies endemicas, raras e de pequeno porte. Com o objetivo deExpand
Primary productivity of the phytoplankton in a tropical Brazilian shallow lake: experiments in the lake and in mesocosms
OBJETIVO: Para avaliar a produtividade primaria do fitoplâncton e os fatores que influenciam suas flutuacoes foram feitos experimentos no Lago Monte Alegre e em mesocosmos; METODOS: Foram feitosExpand
Fragmentation of a Neotropical migratory fish population by a century-old dam
Loss of connectivity in impounded rivers is among the impacts imposed by dams, and mitigation measures such as fish passages might not accomplish their purpose of reestablishing an efficientExpand
The fish fauna of the Jacaré-Guaçu River basin, Upper Paraná River basin
Este estudo teve como objetivo avaliar a composicao e distribuicao da ictiofauna em diferentes ambientes, a montante e a jusante da PCH Gaviao Peixoto, na bacia do Rio Jacare-Guacu. A grande maioriaExpand
Fish diversity in the cascade of reservoirs along the Paranapanema River, southeast Brazil
The Paranapanema River is a major tributary of the upper Paraná river basin. Eleven hydropower dams regulate its main course, but no study has investigated fish diversity in these impoundments at theExpand
A new sexually dichromatic miniature Hyphessobrycon (Teleostei: Characiformes: Characidae) from the Rio Formiga, upper Rio Juruena basin, Mato Grosso, Brazil, with a review of sexual dichromatism in
Hyphessobrycon myrmex sp. nov., is described from the Rio Formiga, upper Rio Juruena, upper Rio Tapajós basin, Mato Grosso, Brazil. The new species can be distinguished from congeners by having theExpand
The fish fauna in the fish passage at the Ourinhos Dam, Paranapanema River
The composition and abundance of the fish assemblage were evaluated in the fish ladder of Ourinhos Dam, the newest dam (closed in 2005) in the cascade of dams constructed on the Paranapanema River.Expand
Taxonomic revision of the genus Atopomesus Myers , 1927 ( Characiformes : Characidae ) , with comments on its phylogenetic relationships
The monotypic genus Atopomesus, a poorly known member of the family Characidae, is re-described. Atopomesus pachyodus is endemic to the Rio Negro basin, where it feeds on aquatic insect larvae, andExpand
Taxonomic Revision of the Genus Aphyodite, with Description of Two New Species (Teleostei: Characidae)
The genus Aphyodite has a complex taxonomic history. It was described as monotypic, and the only diagnosis provided was “an Aphyocharax with a scaled caudal fin”. After the description, the genus wasExpand