Revista Ibero-Americana de Ciências Ambientais, 2020 Mudanças sazonais na composição corporal têm sido observadas em várias espécies de vertebrados, e estas alterações parecem estar relacionadas com a vitelogênese, bem como outros processos associados com a desova, transferência materno-fetal e sobrevida da prole.
Lucas Spada +5 more
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A systematic revision of the South American freshwater stingrays (chondrichthyes: potamotrygonidae) (batoidei, myliobatiformes, phylogeny, biogeography) [PDF]
, 1985 Three genera are recognized in the family Potamotrygonidae of neotropical freshwater stingrays: Potamotrygon, Paratrygon, and Plesiotrygon, the latter being described as a new genus.
Rosa, Ricardo de Souza
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Toxicon, 2011 Pain is the most conspicuous symptom observed in patients wounded by stingrays, and skin necrosis is common in accidents by freshwater stingrays. The extract from the stinger integumentary tissue of Potamotrygon falkneri containing toxic components (venom) was tested for its ability to induce histopathological changes in the dorsal skin of mice at ...
Antoniazzi, Marta M. +6 more
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Potamotrygon falkneri Castex, Maciel 1963
, 2018 Published as part of Ota, Renata Rúbia, Deprá, Gabriel de Carvalho, Graça, Weferson Júnio da & Pavanelli, Carla Simone, 2018, Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated, pp. 1-111 in Neotropical Ichthyology 16 (2) on page 16, DOI: 10.1590/1982-0224-20170094, http://zenodo.org/record ...
Ota, Renata Rúbia +3 more
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Os bagres como presas de raias Potamotrygonidae nos Rios Solimões e Negro, Amazônia Brasileira [PDF]
, 2013 In spite of the fact that catfish have rarely been reported as food items in the diets of freshwater stingrays, they are commonly observed in the stomach contents of species inhabiting the Solimões and Negro rivers in the Brazilian Amazon.
Shibuya, Akemi, Zuanon, Jansen
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Hematological parameters of three freshwater stingray species (Chondrichthyes: Potamotrygonidae) in the middle Rio Negro, Amazonas state. [PDF]
, 2016 This paper aimed to study and compare the hematology of newborns, young, subadults, adult males, adult females and pregnant females of Potamotrygon wallacei (cururu stingray), Potamotrygon motoro and Paratrygon aiereba. Newborn cururu stingrays had lower
ARAÚJO, M. L. G. de +8 more
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Metazoários endoparasitos de Serrasalmus marginatus (Characiformes: Serrasalminae) no Rio Negro, Pantanal, Brasil [PDF]
, 2011 Com o objetivo de inventariar os metazoários endoparasitos em Serrasalmus marginatus, no Rio Negro, Pantanal, Mato Grosso do Sul, Brasil, foram examinados 91 espécimes capturados no período de outubro de 2007 a agosto de 2008.
Costa, Fábio Edir dos Santos +5 more
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Revisão taxonômica e morfológica de Potamotrygon signata Garman [PDF]
, 2021 The order Myliobatiformes comprises the rays with a caudal serrated sting and includes the only subfamily completely adapted to the freshwater environment: Potamotrigoninae, endemic to South America and characterized by the reduction of ...
Araújo, Marcus Vinicius Goncalves
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Freshwater stingray injuries in Belém, Pará State, Brazil/ Lesiones por rayas de agua dulce en Belém, Estado de Pará, Brasil/ Lesões por arraias de água doce em Belém, Estado do Pará, Brasil [PDF]
, 2020 Objective: to describe clinical and epidemiological aspects of freshwater stingray injuries in the city of Belém, Pará, brazilian amazon. Method: descriptive, epidemiological and observational study, carried out between 1999 and 2008, using medical ...
Barbaro, Katia Cristina +7 more
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Occurrence record of two potamotrigonids species in the Upper Paraná River and some aspects about their biology [PDF]
, 2007 A distribuição geográfica das raias da família Potamotrygonidae é restrita aos principais sistemas fluviais da América do Sul. No Brasil, a ocorrência de potamotrigonídeos é conhecida em toda a Bacia Amazônica, em alguns rios da região Nordeste e na ...
Garrone Neto, Domingos +3 more
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