Browsing by Author "Charvet-Almeida, Patrícia"
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Record of the freshwater stingrays Potamotrygon brachyura and P. motoro (Chondrichthyes, Potamotrygonidae) in the lower Uruguay River, South America
Franco, Maria Cristina Oddone; Canziani, Gonzalo Velasco; Charvet-Almeida, Patrícia (2012)Freshwater stingrays, or potamotrygonids, are restricted to Neotropical river drainages. These elasmobranchs are well adapted to freshwater environments and the number of described species gradually increases as further ...