Freshwater Stingrays are a beautiful addition to aquariums. They’re graceful and unique. There are currently 3 separate genera (species groups) of South American Stingrays, these are Potamotrygon, Paratrygon and Plesiotrygon. Paratrygon includes the Anntena group and Paratrygon the Ceja (small eyed rays), but for now we will concentrate on the genus Potamotrygon which includes all the popular species such as Potamotrygon motoro, leopoldi, henlei, and hystrix to name just a few.
There is a misconception that these cartilaginous fish are difficult to keep and raise under captive conditions. Thankfully times have changed for the better, we now have the internet where hobbyists can share information more easily, and husbandry techniques have improved due to more advanced equipment now available. Today freshwater rays are no harder to keep than any other tropical fish, though their eventual size (which varies from species to species) makes them slightly more challenging – larger aquariums are needed ultimately, plus very efficient filter systems.
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