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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Dimorfismo sexual de las aletas pélvicas en Potamotrygon motoro (Batoidea: Potamotrigonidae) [PDF]
, 2023 Claspers in chondrichthyans are specialized elongations on the posterior side of the pelvic fins of males that are used for sperm transfer during copulation.
Blanco Cohene, Tania +9 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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Taxonomía, biología reproductiva y usos de rayas de agua dulce (Myliobatiformes: Potamotrygonidae) en el río Amazonas colombiano [PDF]
, 2020 From the revision of 116 specimens of the Potamotrygonidae family collected in the Colombian Amazon River, the four genera described for the family are registered for the study area, with the species Heliotrygon gomesi, Plesiotrygon iwamae ...
Acosta Santos, Astrid Alexia
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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
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TAMANHO POPULACIONAL E USO DE HABITAT DE UMA ASSEMBLEIA DE RAIAS DE ÁGUA DOCE (POTAMOTRYGONIDAE) NA REBIO DO PARAZINHO (MACAPÁ, AMAPÁ) [PDF]
, 2015 The assemblage research may provide valuable information on the different ways distinct species respond to varied ecological factors. Tagging and recapturing are useful techniques used in the estimation of population parameters of populations with ...
Gama, Cecile de Souza +1 more
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Potencial Biotecnológico em Toxinas de Peixes Peçonhentos no Brasil: Revisão Bibliográfica entre 2000-2022 [PDF]
, 2022 Trabalho de Conclusão de Curso apresentado ao Instituto Latino-Americano de Ciências da Vida e da Natureza da Universidade Federal da Integração Latino-Americana, como requisito parcial à obtenção do título de Bacharel em Biotecnologia.As toxinas ...
Pinto, Felipe Justiniano
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The use of pelvic fins for benthic locomotion during foraging behavior in Potamotrygon motoro (Chondrichthyes: Potamotrygonidae) [PDF]
, 2015 Synchronized bipedal movements of the pelvic fins provide propulsion (punting) during displacement on the substrate in batoids with benthic locomotion. In skates (Rajidae) this mechanism is mainly generated by the crural cartilages.
Carvalho, Marcelo Rodrigues de +3 more
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Ectoparásitos (Argulidae, Cymothoidae, Corallanidae) en rayas de agua dulce (Potamotrygonidae) de la Orinoquia colombiana [PDF]
, 2018 Four species of ectoparasite crustaceans are registered for the first time from the Orinoco River Basin (Colombia) in freshwater stingrays of the family Potamotrygonidae, genusPotamotrygon.
Campos, Martha R. +3 more
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Parâmetros sanguíneos da arraia de água doce Potamotrygon orbignyi Castelnau, 1855 (Potamotrygonidae) da Bacia do Rio Negro, Amazonas, Brasil. [PDF]
, 2017 A região Amazônica apresenta a maior diversidade de espécies de potamotrigonídeos, algumas com distribuição ampla como as arraias Paratrygon aiereba, Potamotrygon motoro e Potamotrygon orbignyi, sendo essa última encontrada nas bacias dos rios Amazonas ...
DIAS, M. T. +5 more
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