description Magdalena River Ray Overview
The Magdalena river ray (Potamotrygon magdalenae) is a freshwater stingray endemic to the Magdalena and Sinú river basins of Colombia in South America. This species belongs to the family Potamotrygonidae, which consists exclusively of freshwater stingrays found in South American rivers. Like other members of its family, it possesses venomous spines on its tail used for defense against predators. The species was first described by French zoologist André Duméril in 1865.
help Magdalena River Ray FAQ
Where is the Magdalena River Ray found?
The Magdalena River Ray, Potamotrygon magdalenae, is a freshwater stingray endemic to Colombia. It occurs in the Magdalena and Sinú river basins in northern South America.
Is the Magdalena River Ray a true marine stingray?
No. It is adapted to freshwater rivers and belongs to Potamotrygonidae, a family made up exclusively of South American freshwater stingrays.
What family does Potamotrygon magdalenae belong to?
It belongs to the family Potamotrygonidae. This family includes freshwater stingrays such as Potamotrygon motoro and other river-dwelling species from South America.
Why is the Magdalena River Ray geographically important?
Its restricted range makes it a regional species rather than a widely distributed stingray. A fish found in the Magdalena or Sinú basin may be this species, while marine stingrays belong to different ecological groups.
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