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Xingu river ray

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description Xingu river ray Overview

The Xingu river ray, commonly called the polka-dot stingray, is a freshwater stingray of the family Potamotrygonidae, associated with the Xingu River basin in Brazil. Its dark disc is covered with contrasting pale spots, a pattern that distinguishes it from many other South American river rays. Like other stingrays, it has a flattened body and a venomous spine on the tail, and it lives in freshwater rather than the sea. The species is of interest to ichthyologists and aquarists who study specialized Amazonian fish.

help Xingu river ray FAQ

What is the scientific name of the Xingu river ray?

The Xingu river ray is Potamotrygon leopoldi, also called the white-blotched or polka-dot river stingray. It is a freshwater cartilaginous fish rather than a marine ray.

Where does the Xingu river ray live?

It is endemic to the Xingu River basin in Brazil, including the Xingu and Fresco rivers. Its natural habitat includes clear freshwater with rocky river bottoms.

Why does the Xingu river ray have a polka-dot appearance?

Its dark body is covered with contrasting white spots and blotches, which explains names such as polka-dot stingray and white-blotched river stingray. The pattern is one of the most distinctive features separating it from other Potamotrygon species.

Why is the Xingu river ray a conservation concern?

Its entire natural range is concentrated in the Xingu basin, so habitat damage can affect a large share of the species at once. Wild collection for the ornamental fish trade and changes to the river environment add pressure to this already localized species.

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