Results 41 to 50 of about 873 (190)
Potamotrygon albimaculata Carvalho 2016
, 2023 Potamotrygon albimaculata Carvalho, 2016 Holotype: MZUSP 105016; adult female, 497 mm DW (approximately the same DW as cited in Carvalho, 2016a); (Fig. 9); Pousada Santa Rosa, left bank of Rio Teles Pires —tributary of Rio Tapajós, Mato Grosso state, Brazil; 8º46’45’’S, 57º27’55’’W; depth not listed; M. R. de Carvalho et al.; 06 Dec 2005.
Lima, Arthur De +4 more
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Morphology and morphometry of blood cells of two species of freshwater stingrays (Chondrichthyes: Potamotrygoninae) from the lower Solimões river, Amazon [PDF]
Anais da Academia Brasileira de CiênciasCytomorphological evaluation of peripheral blood provides information about the health status of animals, in addition to being indicators of environmental contamination.
MARCIO QUARA DE C. SANTOS +3 more
doaj +1 more source
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
doaj +1 more source
Analysis and cryopreservation of semen from stingrays of the genus Potamotrygon
, 2022 Os estudos sobre reprodução de raias do gênero Potamotrygon em ambiente natural são muito dificultados pelo habitat e hábitos de vida destes animais.
Ramos, Sofia Dressel
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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
openaire +2 more sources
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
doaj +5 more sources
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
openaire +2 more sources
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
doaj +1 more source
, 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
doaj +1 more source