All other species names, such as Potamotrygon humerosa and Potamotrygon reticulata found frequently in popular books and magazines are synonyms and not valid species names — and should not be used. Espesye sa pagi nga una nga gihulagway ni Vaillant ni adtong 1880 ang Potamotrygon constellata.Ang Potamotrygon constellata sakop sa kahenera nga Potamotrygon sa kabanay nga Potamotrygonidae. Stingrays. Comes with a free Stingray Care kit and Information Brochure. A. Some are endemic to a single river basin. I found potamotrygonids in almost every river and lake area in the Amazon basin — where there’s the greatest diversity — all the way to the upper Amazon in Bolivia, Peru, Colombia and Ecuador.
Stingrays are polychromatic, so body patterns and colours are extremely variable, making positive identification using pattern and coloration alone very difficult.
Disc width of newborns is about 9cm/3.5”, but I recorded one at 4cm/1.6”. Stingrays breathe by drawing water through a small hole behind the eye and expelling it through gill slits on the underside of the disc. dos Santos (1996) A list of commercial fish species from Santarém, State of Pará, Brazil. One such specimen was collected in the Uruguay river in 1934 at 120 kg/265 lb. IUCN Red List of Threatened Species. Distribution is restricted to northern, central and eastern South America in rivers and lakes which drain into the Caribbean, where I found species in brackish and marine habitats, and into the Atlantic as far south as the Río de la Plata in Argentina. Only P. henlei and P. leopoldi are black, or largely blackish with white spots. & SCHOLZ, T. & LUQUE, J.L. Paratrygon aiereba (Walbaum, 1792) pictured above: The Discus ray has a distribution in the Amazon and Orinoco river basins of Bolivia, Brazil, Ecuador, Peru and Venezuela. Descripció. MFK Member. Stingrays are easy to sex. make sure angelfish are adult, as I’ve seen rays swallowing small angelfish at night. : Naga ICLARM Q. Endfield, USA: Science Publishers: 503–548, Aquatic Biodiversity in Latin America, Vol. CS1 maint: multiple names: authors list (, International Union for Conservation of Nature, "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist", https://war.wikipedia.org/w/index.php?title=Potamotrygon_constellata&oldid=5887547, Creative Commons Attribution-ShareAlike License. Bor, P.H.F. 3 vols. I was about to compliment you on some awesome rays. I have lived among many indians and seen some bearing scars from stingray stings, but none had yet seen a doctor and no deaths have been reported. They kill all they can! Dahlia (8): 61-69.
Most species are brown, grey or yellow and often have spotted or mottled patterns.