South American freshwater stingray
Potamotrygon motoro
Potamotrygonidae, Potamotrygoninae
Potamotrygon motoro
Potamotrygonidae, Potamotrygoninae
Know what is missing? Suggest it in the app.
Lives wild in Argentina, Bolivia, Brazil, Colombia, Paraguay, Peru, and Uruguay.
Introduced to Singapore.
CHRIS LUKHAUPAug 23, 2026
MikoljiMar 24, 2018
Oliver KnottAug 24, 2026
Found in freshwater rivers. It is an extremely dangerous species. Maximum length reported in Axelrod et al., 1991 is 100 cm TL.
Temperament, fin nippers, fish that eat other fish, and fish that need the same water. And what the Harmony mark in the app means.
Soft, acidic water, subdued light, sand, roots and fallen leaves: how to set up a biotope aquarium from the Amazon and the rivers around it.
From the store to the tank: how to get the fish used to your water, why you should add only a few at a time, and what to watch for in the first few days.
Why new fish should live in a tank of their own for a few weeks before they move in, what you need, and what to look for.