Potamotrygon magdalenae (Duméril, 1865)
Magdalena river stingray
Raya,  Raya de rio
Potamotrygon magdalenae
photo by Galvis, G./Mojica, J.I./Camargo, M.

Family:  Potamotrygonidae (River stingrays), subfamily: Potamotrygoninae
Max. size:  35 cm WD (male/unsexed); max.weight: 755.1 g
Environment:  benthopelagic; freshwater
Distribution:  South America: Magdalena and Atrato River basins.
Diagnosis:   
Biology:  Prefers shallow muddy bottoms with turbid waters (Ref. 26543). Feeds on insect larvae (Ref. 26543).
IUCN Red List Status: Least Concern (LC); Date assessed: 08 October 2014 Ref. (130435)
Threat to humans:  harmless
Country info:  Known from the Magdalena, Cauca, San Jorge, and Atrato river basins. Apparently absent in the Sinú river basin. Ascends river tributaries such as Tibu, the Sardinata, and the Zulia. Type locality: Río Magdalena, Colombia (Ref. 26282). Found in San Cristóbal and La Dorada (Ref. 38803).


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