Whitespotted freshwater stingray
Potamotrygon scobina
- Near threatened
- Card rarity: Uncommon
- Sharks and rays

The raspy river stingray, mosaic stingray or arraia is a species of freshwater fish in the family Potamotrygonidae. This stingray is endemic to the Amazon basin in Brazil, where known from the Amazon–Pará River, the Madeira River basin, Uatumã River and lower Tocantins River.
Classification
- Class
- Chondrichthyes
- Order
- Myliobatiformes
- Family
- Potamotrygonidae
- Genus
- Potamotrygon