Results 21 to 30 of about 252,570 (105)

Dieta da raia de água doce Potamotrygon motoro (Chondrichthyes: Potamotrygonidae) na Ilha de Marajó (Pará, Brasil) [PDF]

, 2010
The stomach contents of 137 examples of Potamotrygon motoro caught in 3 locations (Muaná, Afuá and Lake Arari) on Marajó Island were analysed. The values of the Index of Relative Importance (IRI) and its respective percentage (%IRI) were calculated.
LINS, Paulo Marcelo de Oliveira, ALMEIDA, Mauricio Pinto de, BARTHEM, Ronaldo Borges, CHARVET, Patrícia, Lins, P. M. O., Charvet-Almeida, Patricia   +5 more
core   +3 more sources

Visual discrimination and resolution in freshwater stingrays (Potamotrygon motoro)

Journal of Comparative Physiology, 2020
Potamotrygon motoro has been shown to use vision to orient in a laboratory setting and has been successfully trained in cognitive behavioral studies using visual stimuli. This study explores P.
Martha M. M. Daniel, Laura Alvermann, Imke M. Böök, V. Schluessel   +3 more
semanticscholar   +1 more source

Neutralization of the edema-forming and myotoxic activities of the venom of Potamotrygon motoro Müller and Henle, 1841 (Chondrichthyes - Potamotrygoninae) by antivenoms and circulating immunoglobulins.

Toxicon, 2020
Freshwater stingrays are cartilaginous fish with stingers at the base of their tail. The stinger is covered with an epithelium containing mucous and venom glands.
J. Lameiras, Valéria Mourão de Moura, L. C. Dias, Evandro Rezende Pessoa, C. Mallmann, A. G. Costa, M. Lasmar, C. Nunez, Oscar Tadeu Ferreira da Costa, M. C. dos-Santos   +9 more
semanticscholar   +1 more source

Análises transcritômicas do ferrão de Potamotrygon falkneri e Potamotrygon motoro [PDF]

, 2014
Dissertação (mestrado)—Fundação Universidade de Brasília, Programa de Pós-Graduação em Biologia Animal, 2014.Potamotrygon falkneri e Potamotrygon motoro consistem em espécies de arraias da família Potamotrygonidae.
Oliveira Júnior, Nelson Gomes de
core  

Potamotrygon motoro gestacion

, 2017
Hembra adulta de potamotrygon motoro en estado de gestaciónFaunaVichadaLaboratorio Fundación OrinoquíaLaboratorio de pecesRaya motoroPotamotrygon motoroAnimaliaChordataChondrichthyesMyliobatiformesPotamotrygonidaePotamotrygonPuerto ...
Novoa Serna, María del Rosario
core   +1 more source

Morfometria de raias continentais (Chondrichthyes, Potamotrygonidae) do alto rio Paraná, Brasil = Morphometry of upper Paraná river freshwater stingrays (Chondrichthyes, Potamotrygonidae)

Acta Scientiarum: Biological Sciences, 2007
Potamotrygonidae constitui o único grupo recente de Chondrichthyes cujo habitat está restrito, exclusivamente, a águas continentais. Na planície de inundação do Alto rio Paraná, espécies desta família estabeleceram-se após o fechamento das comportas da ...
Antonio Guilherme Cândido da Silva, Erivelto Goulart   +1 more
doaj  

Índices Parasitários de Brevimulticaecum sp. (Nematoda: Heterocheilidae) Em Potamotrygon motoro (Chondrichthyes: Potamotrygonidae) Capturados no Arquipélago do Bailique, Macapá

, 2020
O numero de nematodeos descritos em elasmobrânquios e relativamente pequeno, sendo encontrados majoritariamente no trato digestorio. Apesar de alguns relatos descritos, a literatura a respeito ainda e considerada escassa principalmente sobre a associacao
A. C. Souza, Cecile Souza Gama, Anderson Luiz Pena da Costa, Jociel Ferreira Costa, D. Viana   +4 more
semanticscholar   +1 more source

Notes on the occurrence and gender-based morphological aspects of Potamotrygon motoro (Elasmobranchii: Potamotrygonidae) in the complex of the Viana lake system- Maranhão, Brazil

, 2020
The Brazilian Amazonian coast, extending from Amapá to Maranhão states, is drained by a series of small to medium sized rivers of the Amazon basin. The PindaréMearim is an isolated basin formed by the junction of the Pindaré and Mearim rivers at its ...
G. Rincon, K. M. Pereira, Carlos Santos, N. Wosnick, A. R. O. P. Nunes, R. Leite, Y. Araújo, I.C.B.S. Silva, André Silva, J. Nunes   +9 more
semanticscholar   +1 more source

Potamotrygon motoro nacidos en cautiverio

, 2017
Neonatos de raya motoro nacidos en cautiverioFaunaVichadaLaboratorio Fundación OrinoquíaLaboratorio de pecesRaya motoroPotamotrygon motoroAnimaliaChordataChondrichthyesMyliobatiformesPotamotrygonidaePotamotrygonPuerto ...
Novoa Serna, María del Rosario
core   +3 more sources

Does hemoparasite infection affect the hematological and plasma biochemical profile of free-living Potamotrygon motoro and Potamotrygon orbignyi?

Anais da Academia Brasileira de Ciências
This study aimed to evaluate the occurrence of hemoparasites and their effects on hematological and plasma biochemical parameters in stingrays from the lower Solimões River region, Amazonas.
M. Q. de C Santos, P. Aride, F. D. F. Farias, A. T. Oliveira   +3 more
semanticscholar   +1 more source