Results 31 to 40 of about 414 (162)
Acta Scientiarum: Biological Sciences, 2008 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 +1 more
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Potamotrygon adamastor Fontenelle & Carvalho 2017
, 2023 Published as part of Lima, Arthur De, Loboda, Thiago Silva, Gianeti, Michel Donato, Silva, João Paulo Capretz Batista Da & Pinna, Mario De, 2023, Type specimens of Elasmobranchii in the Museu de Zoologia da Universidade de São Paulo (MZUSP), pp. 301-332 in Zootaxa 5296 (3) on pages 310-311, DOI: 10.11646/zootaxa.5296.3.1, http://zenodo.org/record ...
Lima, Arthur De +4 more
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Does hemoparasite infection affect the hematological and plasma biochemical profile of free-living Potamotrygon motoro and Potamotrygon orbignyi? [PDF]
Anais da Academia Brasileira de CiênciasThis 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.
MARCIO QUARA DE C. SANTOS +3 more
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, 2011 Comparisons of Potamotrygon tigrina with congeners Potamotrygon tigrina is distinguished from all species of Potamotrygon, including P. schroederi, by its unique dorsal color pattern. Many other features (proportions of disc and tail, numbers of pectoral and pelvic fin rays, numbers of vertebrae, dentition, dermal covering, lateral line canals, etc ...
De, Marcelo R. +2 more
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Potamotrygon amazona Fontenelle & Carvalho 2017
, 2023 Published as part of Lima, Arthur De, Loboda, Thiago Silva, Gianeti, Michel Donato, Silva, João Paulo Capretz Batista Da & Pinna, Mario De, 2023, Type specimens of Elasmobranchii in the Museu de Zoologia da Universidade de São Paulo (MZUSP), pp.
Lima, Arthur De +4 more
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Neotropical IchthyologyA systematic revision of the Potamotrygon motoro (Müller & Henle, 1841) species complex in the Paraná-Paraguay basin based on morphological characters was undertaken.
Thiago Silva Loboda +1 more
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Biota 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
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Neotropical IchthyologyA taxonomic revision of two nominal species of freshwater stingrays of the genus Potamotrygon previously considered valid, Potamotrygon falkneri Castex & Maciel, 1963 and Potamotrygon castexi Castello & Yagolkowski, 1969, was conducted based on a ...
João Paulo C. B. da Silva +1 more
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, 2014 Published as part of Litz, Thomas O. & The, Stefan Koerber Introduction, 2014, Check List of the Freshwater Fishes of Uruguay (CLOFF-UY)., pp.
Litz, Thomas O. +1 more
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Neotropical IchthyologyPotamotrygon boesemani, new species, is described from the Corantijn river drainage in Surinam. The species has a diagnostic dorsal color pattern formed by deep orange to red ocellated spots of irregular form, encircled by relatively broad black rings ...
Ricardo S. Rosa +2 more
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