Dynamic of fish trophic guilds in the plateau-plain gradient in the Paraguay River, Northern Pantanal [PDF]
, 2022 This study aims to evaluate the dynamics of fish trophic guilds according to the longitudinal gradient of the Paraguay River, northern Pantanal, Brazil. Three river segments were sampled: plateau, confluence and plain.
Barbosa, Ana Paula Dalbem +6 more
core +3 more sources
El aporte de Mariano Castex al estudio de las Rayas de agua dulce de la Región Neotropical [PDF]
, 2023 Los potamotrygónidos pertenecen a una subfamilia exclusiva de América del Sur, llamadas comúnmente rayas o chuchos de río. Poseen especializaciones morfológicas y fisiológicas únicas: un proceso mediano anterior de la cintura pélvica muy expandido, baja ...
Lucifora, Luis Omar +2 more
core
Resource partioning between sympatric congeners - a case study of river rays (Potamotrygon spp.) in the Amazon estuary [PDF]
, 2020 The syntopic occurrence of different species of freshwater stingray on a small fluvial island at the mouth of the Amazon River led to the investigation of the factors that underpin this coexistence.
Gama, Cecile de Souza +1 more
core +2 more sources
Metazoan endoparasites of Serrasalmus marginatus (Characiformes: Serrasalminae) in the Negro River, Pantanal, Brazil [PDF]
, 2011 In order to inventory the metazoan endoparasites of Serrasalmus marginatus, 91 specimens were examined. They were captured in the Negro River in Pantanal wetland, State of Mato Grosso do Sul, Central-Western Brazil, from October 2007 to August 2008 ...
Fernando Paiva +5 more
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Ecological and Phenotypic Diversification after a Continental Invasion in Neotropical Freshwater Stingrays [PDF]
, 2022 Habitat transitions are key potential explanations for why some lineages have diversified and others have not—from Anolis lizards to Darwin\u27s finches.
Dean, Mason N +5 more
core +1 more source
Lista de los peces de agua dulce de la Argentina. [PDF]
, 1987 Lista de peces de agua dulce restringida a la información básica: los autores de géneros y especies, la fecha de descripción, y las referencias bibliográficas a aquellos trabajos que fundamentan las modificaciones o agregados realizados.
López, Hugo Luis +2 more
core
Mapping of the venomous stingrays of the Potamotrygon genus in the Tietê River, São Paulo Sstate, Brazil. [PDF]
Rev Soc Bras Med Trop, 2022 Moreira ISR, Haddad Junior V.
europepmc +1 more source
Peixes Da Reserva Biológica Do Jaru, Drenagem Do Rio Machado, Bacia Do Rio Madeira, Estado De Rondônia, Norte Do Brasil [PDF]
, 2017 Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)This work assessed freshwater fishes collected at 12 stations located along the Tarumã River, middle Machado River, Madeira River basin.
Almeida M., Costa I.D., Ohara W.M.
core +1 more source
First DNA barcode reference library for the identification of South American freshwater fish from the lower Paraná river [PDF]
, 2019 Valid fish species identification is essential for biodiversity conservation and fisheries management. Here, we provide a sequence reference library based on mitochondrial cytochrome c oxidase subunit I for a valid identification of 79 freshwater fish ...
Arranz, S. E. +6 more
core +3 more sources
Karyotypic variation of two populations of the small freshwater stingray Potamotrygon wallacei Carvalho, Rosa & Araújo 2016: A classical and molecular approach. [PDF]
PLoS One, 2023 Ferreira AMV +3 more
europepmc +1 more source