''Potamotrygon magdalenae'', the Magdalena River stingray, is a species of

freshwater fish Freshwater fish are those that spend some or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 1.05%. These environments differ from marine conditions in many ways, especially the difference in levels of s ...

in the family Potamotrygonidae. It is found only in the Magdalena and

Atrato Atrato is a municipality and town in the Chocó Department near the Pacific Ocean, Colombia. Climate Atrato has an extremely wet tropical rainforest climate A tropical rainforest climate, humid tropical climate or equatorial climate is a trop ...

basins in

Colombia Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular regions in North America—near Nicaragua's Caribbean coast—as well as in the Pacific Ocean. The Colombian mainland is bordered by the Car ...

, but it is locally abundant and among the predominant fish species in its range. It is a small species of

stingray Stingrays are a group of sea rays, which are cartilaginous fish related to sharks. They are classified in the suborder Myliobatoidei of the order Myliobatiformes and consist of eight families: Hexatrygonidae (sixgill stingray), Plesiobatidae ( ...

with a typical disc width of about , although it can reach up to .

References

{{Taxonbar, from=Q9061964 magdalenae Endemic fauna of Colombia Freshwater fish of Colombia Magdalena River Taxa named by Auguste Duméril Fish described in 1865