Results 51 to 60 of about 252,570 (105)

Video of Potamotrygon motoro Feeding on Odonate Larva from Always chew your food: freshwater stingrays use mastication to process tough insect prey

, 2016
Chewing, characterized by shearing jaw motions and high-crowned molar teeth, is considered an evolutionary innovation that spurred dietary diversification and evolutionary radiation of mammals.
Kenneth Welch (3107178), Nathan Lovejoy (3107175), Adam Summers (3107181), Matthew Kolmann (3107172)   +3 more
core   +1 more source

Hábitos alimentares e sobreposição trófica das raias Potamotrygon falkneri e Potamotrygon motoro (Chondrichthyes, Potamotrygonidae) na planície alagável do alto rio Paraná, Brasil - DOI: 10.4025/actascibiolsci.v28i3.208

, 2007
As raias Potamotrygon falkneri e Potamotrygon motoro foram avaliadas em relação à composição de suas dietas e a sobreposição do nicho trófico nos períodos de seca (agosto/2004) e cheia (janeiro/2005) na planície alagável do alto rio Paraná, em três ...
Erivelto Goulart, Edson Fontes de Oliveira, Alessandra Pasian Lonardoni, Milza Celi Fedatto Abelha   +3 more
core   +1 more source

Host relationships and geographic distribution of species of Acanthobothrium Blanchard, 1848 (Onchoproteocephalidea, Onchobothriidae) in elasmobranchs: a metadata analysis. [PDF]

Zookeys, 2020
Zaragoza-Tapia F, Pulido-Flores G, Gardner SL, Monks S.   +3 more
europepmc   +1 more source

Monogenoidean parasites of freshwater stingrays (Rajiformes: Potamotrygonidae) from the Negro River, Amazon, Brazil: species of Potamotrygonocotyle (Monocotylidae) and Paraheteronchocotyle (Hexabothriidae).

Folia Parasitologica, 2007
M. V. Domingues, Norberto C M Pancera, F. Marques   +2 more
semanticscholar   +1 more source

Injuries caused by fish to fishermen in the Vale do Alto Juruá, Western Brazilian Amazon. [PDF]

Rev Soc Bras Med Trop, 2019
Costa TND, Jacó TRF, Casas ALDS, Bernarde PS.   +3 more
europepmc   +1 more source

First DNA Barcode Reference Library for the Identification of South American Freshwater Fish from the Lower Paraná River. [PDF]

PLoS One, 2016
Díaz J, Villanova GV, Brancolini F, Del Pazo F, Posner VM, Grimberg A, Arranz SE.   +6 more
europepmc   +1 more source

Potamotrygon schroederi macho

, 2017
Macho adulto de Potamotrygon schroederiFaunaVichadaLaboratorio Fundación OrinoquíaLaboratorio de pecesRaya guacamayaPotamotrygon schroederiAnimaliaChordataChondrichthyesMyliobatiformesPotamotrygonidaePotamotrygonPuerto ...
Novoa Serna, María del Rosario
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

“Caracterização bioquímica de peçonha e muco de Potamotrygon motoro”

In Brazil, accidents involving venomous fish are becoming increasingly frequent, due to activities carried out in the water by riverside populations, such as fishing, washing clothes and utensils, as well as leisure activities.
Luiza Calastro Carneiro
core  

Stingray venom activates IL-33 producing cardiomyocytes, but not mast cell, to promote acute neutrophil-mediated injury. [PDF]

Sci Rep, 2017
Dos Santos JC, Grund LZ, Seibert CS, Marques EE, Soares AB, Quesniaux VF, Ryffel B, Lopes-Ferreira M, Lima C.   +8 more
europepmc   +1 more source