Buscar
Mostrando ítems 41-50 de 177
Record of ascending passage of potamotrygonid stingrays through navigation locks: Implications for the management of non-native species in the Upper Paraná River basin, Southeastern Brazil
(2014-01-01)
In this paper we tested the hypothesis that potamotrygonid stingrays are expanding their distribution to novel areas via artificial passages constructed for river navigation in the Upper Paraná River basin, Southeastern ...
Injuries Caused by Freshwater Stingrays in the Western Amazon: Folk Medicine and Beliefs
(Soc Ethnobiology, 2020-01-01)
The envenomation caused by freshwater stingrays is one of the most frequent injuries related to aquatic animals in South America. Such injury is severe with skin necrosis as a probable result of the sting and subsequent ...
Injuries caused by freshwater stingrays in the Tapajos River Basin: a clinical and sociodemographic study
(Soc Brasileira Medicina Tropical, 2017-05-01)
Freshwater stingray envenomations are an important cause of morbidity in riverine populations living in various regions of Brazil. The sequelae include temporary or permanent disability. This study aimed to identify ...
Record of ascending passage of potamotrygonid stingrays through navigation locks: implications for the management of non-native species in the Upper Paraná River basin, Southeastern Brazil
(2014)
In this paper we tested the hypothesis that potamotrygonid stingrays are expanding their distribution to novel areas via artificial passages constructed for river navigation in the Upper Paraná River basin, Southeastern ...
Caracterização molecular de espécies de Potamotrygon (Potamotrygonidae, Myliobatiformes) da planície de inundação do alto rio Paraná, Brasil : variabilidade e diferenciação genética, hibridação e filogeografia.Molecular characterization of Potamotrygon species (Potamotrygonidae, Myliobatiformes) from the Upper Paraná River floodplain, Brazil : variability and genetic differentiation, hybridization and phylogeography.
(Universidade Estadual de MaringáBrasilPrograma de Pós-Graduação em Ecologia de Ambientes Aquáticos ContinentaisUEMMaringáDepartamento de Biologia, 2018)
Stirring, charging, and picking: hunting tactics of potamotrygonid rays in the upper Paraná River
(Sociedade Brasileira de Ictiologia, 2009)
Cleaning interactions between shrimps (palaemonidae) and freshwater stingrays (potamotrygonidae) in the Paraná River, Southeastern Brazil
(2014-01-01)
We report the first record of cleaning symbiosis between a river stingray, Potamotrygon falkneri, and a palaemonid shrimp, Macrobrachium jelskii. Shrimps of different sizes were observed cleaning adult stingrays partially ...