Results 101 to 110 of about 873 (190)

Hematological parameters of freshwater stingrays from the lower river negro, Amazonas, Brazil [PDF]

Brazilian Journal of Biology
Freshwater stingrays of the subfamily Potamotrygoninae represent a unique group of elasmobranchs exclusively adapted to freshwater environments in South America.
R. M. Paixão, A. R. S. Liebl, M. F. S. Gomes, M. W. S. Ribeiro, A. N. A. Santos, J. P. F. Rufino, A. C. N. Alves, A. T. Oliveira   +7 more
doaj   +2 more sources

Potamotrygon motoro gestacion

, 2017
Hembra adulta de potamotrygon motoro en estado de gestaciónFaunaVichadaLaboratorio Fundación OrinoquíaLaboratorio de pecesRaya motoroPotamotrygon motoroAnimaliaChordataChondrichthyesMyliobatiformesPotamotrygonidaePotamotrygonPuerto ...
Novoa Serna, María del Rosario
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Potamotrygon falkneri Castex & Maciel 1963

, 2014
Published as part of The, Stefan Koerber & Only, L'., 2014, List of Freshwater Fishes from Argentina - Update 15., pp.
The, Stefan Koerber, Only, L'.
openaire   +1 more source

Біологічні властивості збудників ранової інфекції у Potamotrygon leopoldi

, 2017
Potamotrygon leopoldi is a poorly studied stingray species. In this study two potential causative agents of fish and human infections which belong to Citrobacter freundii and Shewanella algae were isolated and their morphological, cultural and ...
Караванський, Юрій Вікторович, Khaydukova, D. O., Хайдукова, Д. О., Kovtalo, M. S., Karavanskyi, Yurii V., Ковтало, М. С., Zinchenko, Oksana Yu., Зинченко, Оксана Юрьевна, Зінченко, Оксана Юріївна, Караванский, Юрий Викторович   +9 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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Potamotrygon scobina Garman 1913

Potamotrygon scobina Garman 1913 Distribution Amazonia.
Escobar-Camacho, Daniel, Valdiviezo-Rivera, Jonathan, Carrillo-Moreno, Carolina, Argüello, Pablo, Swing, Kelly   +4 more
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Caracterización morfológica de los estadios embrionarios de la raya dulceacuícola Potamotrygon magdalenae (Elasmobranchii: Potamotrygonidae)

Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, 2022
Potamotrygon magdalenae, una raya perteneciente a la familia Potamotrygonidae distribuida en la cuenca del río Magdalena, es considerada de muy alta prioridad para la investigación en el Plan de Acción Nacional para la Conservación y Manejo de Tiburones,
Sergio Antonio Lizcano-Gutiérrez, Martha Patricia Ramírez-Pinilla   +1 more
doaj  

Parasitismo por Potamotrygonocotyle eurypotamoxenus Domingues & Marques, 2007 (Monogenea) e sua correlação com o peso de arraias Potamotrygon cf. histrix, da Bacia do médio rio Negro (AM), Brasil. [PDF]

, 2014
Potamotrygonocotyle Mayes, Brooks & Thorson, 1981 (Monogenoidea: Monocotylidae) é o único gênero conhecido parasitando brânquias de arraias neotropicais de água doce.
TAVARES-DIAS, M., OLIVEIRA. A. T., LEMOS, J. R. G., ANDRADE, S. M. S., KOHN, A., MARCON, J. L., COHEN, S. C.   +6 more
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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
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A test of the utility of DNA barcoding in the radiation of the freshwater stingray genus Potamotrygon (Potamotrygonidae, Myliobatiformes)

Genetics and Molecular Biology, 2008
DNA barcoding is a recently proposed global standard in taxonomy based on DNA sequences. The two main goals of DNA barcoding methodology are assignment of specimens to a species and discovery of new species.
Daniel Toffoli, Tomas Hrbek, Maria Lúcia Góes de Araújo, Maurício Pinto de Almeida, Patricia Charvet-Almeida, Izeni Pires Farias   +5 more
doaj   +1 more source