Also known as Black Devil Stingray, Black Diamond, Black Diamond Ray, Black Ray, Eclipse Ray, Eclipse Stingray, Leo, Leo Stingray, Leopoldi Black Diamond Stingray, Leopoldi Stingray, Polka-dot Stingray, Spotted River Ray, White-blotched Freshwater Stingray, White-blotched Ray, Xingu River Ray, Yellow-spotted Black Amazon Stingray.
Found singly, buried in sand during the day, foraging for food at night, in rivers and their basins.
They feed nocturnally on benthic invertebrates.
Disc - 111cm
Depth - ?m
South America - Fresco & Xingu Rivers
Rays are bottom feeders, they settle themselves down over their prey, trapping them against the substrate with their disc, then flexing their disc flaps and manoeuvring the victims into their mouths.
Most rays live in the sea, but some can be found in estuaries, often hard to see as they can be buried in the sand, occasionally they can be seen leaping out of the water.
As a form of defence rays have electric organs while others have venomous spines.
Usually rays will swim out of harms way if approached, however they can give a nasty sting which could prove fatal.
Never swim over the top of large rays, they think you are a predator and are likely to whip their tails in defense! (as happened to Steve Irwin) Ref: https://www.fishbase.se/summary/Potamotrygon-leopoldi