Potamotrygon orbignyi

Potamotrygon orbignyi
At the National Zoo in Washington, D.C.
Conservation status
Least Concern  (IUCN 3.1) [1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Subclass:	Elasmobranchii
Order:	Myliobatiformes
Family:	Potamotrygonidae
Genus:	Potamotrygon
Species:	P. orbignyi
Binomial name
Potamotrygon orbignyi (Castelnau, 1855)
Synonyms
Potamotrygon dumerilii(Castelnau, 1855) Trygon orbignyiCastelnau, 1855 Trygon dumeriliiCastelnau, 1855 Trygon reticulatusGünther, 1880

Potamotrygon orbignyi, the smooth back river stingray, is a species of river stingray in the family Potamotrygonidae. It is found in the Amazon and Orinoco River basins in South America. ^[2]

Etymology

Illustration of Potamotrygon orbignyi by Castelnau.

The genus name Potamotrygon comes from the Greek words potamos (river) and trygon (sting ray). The species name is in honor of Alcide Charles Victor Marie Dessalines d'Orbigny. ^[3]

References

1. Torres, Y.T.P.; Araújo, M.L.G.; Sayer, C.; Charvet-Almeida, P. (2025). "Potamotrygon orbignyi". IUCN Red List of Threatened Species . 2025 e.T161609A892617. doi: 10.2305/IUCN.UK.2025-2.RLTS.T161609A892617.en . Retrieved 7 December 2025.
2. Froese, Rainer; Pauly, Daniel (eds.). "Potamotrygon orbignyi". FishBase . March 2017 version.
3. Christopher Scharpf & Kenneth J. Lazara (24 November 2018). "Family POTAMOTRYGONIDAE Garman 1877 (Neotropical Stingrays)". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 7 December 2024.

• Media related to Potamotrygon orbignyi at Wikimedia Commons