Results 11 to 20 of about 873 (190)
Neotropical Ichthyology, 2013 A 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
doaj +4 more sources
Distribution modelling for Neotropical freshwater stingrays Potamotrygon brachyura and Potamotrygon motoro (Myliobatiformes, Potamotrygonidae) in the Uruguay River basin. [PDF]
J Fish BiolAbstract This study aimed to identify geographical distribution patterns of the giant short‐tailed river stingray Potamotrygon brachyura and the motoro stingray Potamotrygon motoro in the Uruguay River basin. Data on presence/absence of stingrays were based on fishers' knowledge accessed by interviews through expeditions in Brazil, Argentina and ...
Pereira DAS, Reis RE, Fontoura NF.
europepmc +4 more sources
, 2023 cf. <i>Potamotrygon</i> sp. <p>(Fig. 2 A1, A2)</p> <p>EXAMINED BODY PART. — Isolated teeth.</p> <p>NOTES</p> <p>Specimens figured by Lundberg 1997: fig.
Aguilera, Orangel +4 more
core +2 more sources
, 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.
De, Marcelo R. +2 more
core +2 more sources
Toxicon, 2006 Stingrays of the family Potamotrygonidae are widespread throughout river systems of South America that drain into the Atlantic Ocean. Some species are endemic to the most extreme freshwater environment of the Brazil and cause frequent accidents to humans.
Hiruma-Lima, C. A. +5 more
core +4 more sources
, 2023 <p> Genus <i>Potamotrygon</i> Garman, 1877</p> <p> TYPE SPECIES. — <i>Trygon histrix</i> Müller & Henle, 1841 (type species by original designation; Garman 1877).</p>Published as part of ...
Aguilera, Orangel +4 more
core +3 more sources
, 2017 Identification key for species of the Potamotrygon scobina complex 1a. Dorsal disc color with a reticulate, polygonal pattern, lacking ocelli; whitish blotches, when present, very small; tail with dorsal polygonal color pattern at base; dorsal tail ...
João Pedro Fontenelle +1 more
core +5 more sources
Potamotrygon amandae Loboda, Carvalho 2013
, 2018 Potamotrygon amandae Loboda, Carvalho, 2013 Fig. 2 Body depressed; disc length contained 0.8 to 1.2 times in disc width (DW); distance from mouth to cloaca 1.3 to 1.7, distance from cloaca to caudal sting 1.8 to 2.6, tail length 0.8 to 1.0, and ...
Deprá, Gabriel de Carvalho +3 more
core +3 more sources
, 2018 Potamotrygon 1. Dorsal surface of the disc with yellow or orange ocelli, larger than diameter of the eye, surrounded by a black ring, which do not extend distally over the tail................ P. amandae 1’.
Deprá, Gabriel de Carvalho +3 more
core +3 more sources
Potamotrygon pantanensis Loboda & Carvalho 2013
, 2022 <i>Potamotrygon pantanensis</i> Loboda & Carvalho, 2013: 715, fig. 23. <p> <b>Paratype:</b> 1 lot, 1 specimen. NUP 4179, adult (m), 215 mm DW: Brazil, Mato Grosso, Chapada dos Guimarães, rio Manso, tributary of ...
De Oliveira, Rianne C. +5 more
core +3 more sources