Search results
Results from the WOW.Com Content Network
The Xingu River ray, River stingray, white-blotched river stingray, or polka-dot stingray (Potamotrygon leopoldi) is a species of freshwater fish in the family Potamotrygonidae. It is endemic to the Xingu River basin in Brazil and as such prefers clear waters with rocky bottoms. [ 1 ]
Potamotrygon leopoldi is part of a species complex of blackish river rays with contrasting pale spots found in the Tapajós, Xingu and Tocantins basins [3]. River stingrays are almost circular in shape, and range in size from Potamotrygon wallacei, which reaches 31 cm (1.0 ft) in disc width, [9] to the chupare stingray (S. schmardae), which grows up to 2 m (6.6 ft) in disc width. [10]
Potamotrygon is a genus of freshwater stingrays in the family Potamotrygonidae native to the rivers of South America, [1] and sometimes seen in the aquarium trade. [2] It inhabits rivers of tropical and subtropical climates, especially those of the Amazon basin and is virtually present in all South American countries, except for Chile.
Potamotrygon garmani Fontenelle, J. P. & de Carvalho, M. R., 2017 (Garman's river stingray) Potamotrygon henlei (Bigtooth river stingray) Potamotrygon humerosa; Potamotrygon hystrix (Porcupine river stingray) Potamotrygon leopoldi (Xingu River ray, or white-blotched river stingray) Potamotrygon limai; Potamotrygon magdalenae (Magdalena river ...
Potamotrygon leopoldi. Freshwater stingrays ( Potamotrygonidae ) are a very common cause of attacks by fish in the Amazon, mainly affecting riverside and indigenous populations, the stingray venom has necrotizing, edematous, proteolytic, neurotoxic and myotoxic effects.
Potamotrygon rex, the great river stingray, is a species of freshwater stingray belonging to the family Potamotrygonidae, native to South America in the Neotropical region. [1] [2] P. rex, along with some other Potamotrygon species form a sub-species group known as "black stingrays" known by their similar features and their locality to rivers draining the Central Brazilian Shield.
The bigtooth river stingray or Tocantins River ray (Potamotrygon henlei) is a species of freshwater fish in the family Potamotrygonidae. [3] It is endemic to the lower Tocantins basin and Araguaia basin in Brazil , [ 4 ] and prefers muddy bottoms. [ 1 ]
Vermiculate river stingray (Potamotrygon castexi) Thorny river stingray (Potamotrygon constellata) Largespot river stingray (Potamotrygon falkneri) Porcupine river stingray (Potamotrygon histrix) Xingu River ray (Potamotrygon leopoldi) Potamotrygon marinae; Ocellate river stingray (Potamotrygon motoro) Red-blotched river stingray (Potamotrygon ...