Results 91 to 100 of about 972 (148)

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
core  

Note about a specimen of the genus Potamotrygon (Chondrichthyes, Potamotrygonidae).

, 1971
Its deal with the study of a sample of "river ray" of the Potamotrygonidae family procured in the Colastiné river (Midle Paraná)showing an external morphology relating it closely to two species of said family: Potamotrygon falkneri Castex y Maciel, 1963 ...
Martínez Achembach, Guillermo
core  

Estudos genéticos em raias do gênero Potamotrygon (Chondrichthyes: Myliobatiformes: Potamotrygonidae) na Bacia do Rio Paraná

, 2013
The stingrays Potamotrygonidae family are important components of Neotropical ichthyofauna, being completely restricted to the main river systems of South America four genera are related in that family: Heliotrygon, Paratrygon, and Plesiotrygon ...
Cruz, Vanessa Paes da
core   +2 more sources

Cross-reactivity between Potamotrygon motoro antivenoms and dorsal and stinger extracts of others stingrays (Chondrichthyes: Potamotrygonidae) from the Amazon basin

, 2019
In this study, two mouse hyperimmune sera were produced, one using extract from the stinger of the stingray Potamotrygon motoro and the other using extract from the dorsal region of the same species and their cross-reactivity with extracts from the ...
Costa, Oscar Tadeu Ferreira da, Dias, Lucas Castanhola, Moura, Valéria Mourão de, Lameiras, Juliana Luiza Varjão, Santos, Maria Cristina dos, Santos, Ilia Gilmara Carvalho dos   +5 more
core   +1 more source

Levels of Total Mercury and Health Risk Assessment of Consuming Freshwater Stingrays (Chondrichthyes: Potamotrygoninae) of the Brazilian Amazon. [PDF]

Int J Environ Res Public Health, 2023
Oliveira AT, Rodrigues PA, Ramos Filho AM, Gomes MFDS, Liebl ARDS, de Pinho JV, Aride PHR, Conte-Junior CA.   +7 more
europepmc   +1 more source

The more stirring the better: cichlid fishes associate with foraging potamotrygonid rays

Neotropical Ichthyology
One hunting tactic of freshwater rays (Potamotrygonidae), termed "undulate the disc and stir substrate", is here reported to attract cichlids at two sites in the upper Paraná River.
Domingos Garrone-Neto, Ivan Sazima
doaj   +1 more source

Potamotrygon tigrina, a new species of freshwater stingray from the upper Amazon basin, closely related to Potamotrygon schroederi Fernandez-Yepez, 1958 (Chondrichthyes: Potamotrygonidae)

, 2011
A new species of Neotropical freshwater stingray, family Potamotrygonidae, is described from the Rio Nanay in the upper Rio Amazonas basin of Peru. Potamotrygon tigrina, n.
De, Marcelo R., CARVALHO, Marcelo R. De, PEREZ, Mark H. Sabaj, LOVEJOY, Nathan R., Sabaj, Mark H.   +4 more
core   +1 more source

Mapping of the venomous stingrays of the Potamotrygon genus in the Tietê River, São Paulo Sstate, Brazil. [PDF]

Rev Soc Bras Med Trop, 2022
Moreira ISR, Haddad Junior V.
europepmc   +1 more source

Effective Pre-Clinical Treatment of Fish Envenoming with Polyclonal Antiserum. [PDF]

Int J Mol Sci, 2023
Lopes Ferreira M, Falcão MAP, Bruni FM, Haddad V, Marques EE, Seibert CS, Lima C.   +6 more
europepmc   +1 more source

Antibiotic susceptibility of wound infection causative agents of Potamotrygon leopoldi (castex & castello, 1970)

, 2017
Skin ulcer microbiota of stingray Potamotrygon leopoldi was identified and its antibiotic susceptibility was detected. Isolated strains belonged to Shewanella algae and Citrobacter freundii and showed high resistance to 25 of 34 used ...
Караванський, Юрій Вікторович, Khaydukova, D. O., Kovtalo, M. S., Karavanskyi, Yurii V., Zinchenko, Oksana Yu., Караванский, Юрий Викторович   +5 more
core   +1 more source