Potamotrygon motoro R 001 Fish Profile: Genus Potamotrygon Species motoro R 001 Common name Stingray Origin South/Middle America Tank Size min. 200 - 400 cm Temperature 22 - 25 °C pH Value 5.0 - 6.0 Fish Size 50 cm Food Live food, Frozen food Care Sociable, Keep in pairs