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A distinguishing trait of the diamond stingray is the presence of fin folds both above and below the tail. The diamond stingray attains a disc width of 1 m (3.3 ft) or possibly 1.2 m (3.9 ft); females grow larger than males.
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.
The ocellate river stingray (Potamotrygon motoro), also known as the peacock-eye stingray or black river stingray, is a species of freshwater stingray in the family Potamotrygonidae. It was the first species to be described in the family and is also the most widespread, ranging throughout much of the Río de la Plata , Amazon , Mearim and ...
A Thorntail stingray with a width of 1.67 m (5 ft 6 in) and length of 2.35 m (7 ft 9 in) was caught and released of Warner Beach, South Africa in Jan 2020. From 1986 to 1997, New Zealand reported an average annual catch of 15 t (15 long tons; 17 short tons) for this species and the short-tail stingray combined, though this figure may ...
[1] [2] [3] It is occasionally kept in aquariums and has been bred in captivity, [4] [5] but it is sensitive and the tail is easily damaged. [6] The black-tailed antenna ray is very long-tailed (tail length typically at least three times the disc width), similar to the only other member of the genus, the long-tailed river stingray (P. iwamae). [1]
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Potamotrygon falkneri, the largespot river stingray or reticulated freshwater stingray, is a species of freshwater stingray in the family Potamotrygonidae from tropical and subtropical South America. [ 1 ] [ 2 ] It is sometimes seen in the aquarium trade, but requires a very large tank.