Results 1 to 10 of about 181 (105)

Complete mitochondrial genome of the river stingray Potamotrygon orbignyi (Myliobatiformes: Potamotrygonidae) [PDF]

open access: yesMitochondrial DNA. Part B. Resources, 2019
The river stingray Potamotrygon orbignyi is a carnivorous bottom feeder that is widespread in the Amazonian region. We here assemble the 17,449 bp complete mitochondrial genome of the species, showing a typical gene arrangement as for related ...
David Ory   +5 more
doaj   +2 more sources

Mitochondrial DNA suggests Hybridization in Freshwater Stingrays Potamotrygon (POTAMOTRYGONIDAE: MYLIOBATIFORMES) from the Xingu river, Amazonia and reveals speciation in Paratrygon aireba

open access: yesAnais Da Academia Brasileira De Ciencias, 2021
In the Xingu river basin, Brazil, occurs two genera of Potamotrygonidae family: Potamotrygon and Paratrygon. In this region, the taxa have significant economic importance for the ornamental fishing industry, being intensively captured, especially the ...
Damires Sanches   +2 more
exaly   +3 more sources

A test of the utility of DNA barcoding in the radiation of the freshwater stingray genus Potamotrygon (Potamotrygonidae, Myliobatiformes)

open access: yesGenetics 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   +2 more
exaly   +3 more sources

Case report: Clinical management of freshwater stingray wounds using negative pressure therapy [PDF]

open access: yesFrontiers in Medicine
Stingray injuries represent a significant occupational hazard, particularly for fishermen, and are commonly caused by freshwater stingrays of the Potamotrygonidae family. These stingrays are equipped with a sharp, bilaterally serrated spine that delivers
Janio J. M. Nattrodt   +13 more
doaj   +2 more sources

Two new species of freshwater stingrays of the genus Paratrygon (Chondrichthyes: Potamotrygonidae) from the Orinoco basin, with comments on the taxonomy of Paratrygon aiereba

open access: yesNeotropical Ichthyology, 2021
The genus Paratrygon, currently recognized as the sole monotypic genus of the family Potamotrygonidae, has a considerably greater diversity than previously indicated, including molecular studies, which supported P.
Thiago Silva Loboda   +2 more
exaly   +3 more sources

Systematics and diversification of Anindobothrium Marques, Brooks & Lasso, 2001 (Eucestoda: Rhinebothriidea). [PDF]

open access: yesPLoS ONE, 2017
Tapeworms of the genus Anindobothrium Marques, Brooks & Lasso, 2001 are found in both marine and Neotropical freshwater stingrays of the family Potamotrygonidae.
Bruna Trevisan   +2 more
doaj   +2 more sources

Primer registro de la raya látigo o antena Plesiotrygon iwamae Rosa, Castello y Thorson 1987 (Chondrichthyes: Potamotrygonidae) para Colombia

open access: yesBiota Colombiana, 2010
Se confirma la presencia de la raya látigo o antena Plesiotrygon iwamae (Chondrichthyes: Potamotrygonidae) para Colombia, con base en un ejemplar macho colectado en el río Amazonas y se alerta sobre su estado de conservación en la Amazonia.
Carlos A. Lasso   +2 more
doaj   +11 more sources

Diversification and Species Boundaries of Rhinebothrium (Cestoda; Rhinebothriidea) in South American Freshwater Stingrays (Batoidea; Potamotrygonidae)

open access: yesPLoS ONE, 2011
BackgroundNeotropical freshwater stingrays (Batoidea: Potamotrygonidae) host a diverse parasite fauna, including cestodes. Both cestodes and their stingray hosts are marine-derived, but the taxonomy of this host/parasite system is poorly understood ...
Florian B Reyda, Fernando P L Marques
exaly   +3 more sources

Length-weight relationship for Potamotrygon wallacei (Carvalho, Rosa and Araújo, 2016) caught in the middle Negro River, Barcelos, Brazilian Amazon

open access: yesBrazilian Journal of Biology, 2022
This research aimed to estimate the length-weight ratio (LWR) of the stingray Potamotrygon wallacei, known locally as the cururu, which was caught in streams and lakes in the middle Negro River region, Amazonas, Brazil. The stingrays were captured during
M. G. Amazonas   +4 more
doaj   +1 more source

Ectoparásitos (Argulidae, Cymothoidae, Corallanidae) en rayas de agua dulce (Potamotrygonidae) de la Orinoquia colombiana

open access: yesBiota Colombiana, 2018
Se registra por primera vez para Colombia (cuenca del Orinoco), cuatro especies de crustáceos ectoparásitos en rayas de agua dulce (Potamotrygonidae), género Potamotrygon.
Carlos Andrés Lasso   +3 more
doaj   +5 more sources

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