Rosa’s round ray

Heliotrygon rosai

Cream vermiculations cover a light brown disc

Tropical
Lower river
Upper river
Southern Hemisphere
Regional distribution
Freshwater fish
South America
Other
Large
Tropical fish

Heliotrygon rosai, or Rosa's round ray, is a species of freshwater fish in the family Potamotrygonidae. It is native to the Amazon basin (Marajó to Peru) in South America. Its maximum disc width is 80 cm (2.6 ft) and the stinger is greatly reduced, rendering it virtually harmless.

Class: Sharks and Rays
Order: Stingrays
Family: Potamotrygonidae
Genus: Heliotrygon
Maximum length: 80 cm
Water: Freshwater
Body shape: other
Distribution: South America: Brazil in the upper, mid and lower Rio Amazonas basin, and probably in the lower reaches of its major tributaries.

Report a correction