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Potamotrygon motoro (Müller & Henle, 1841) South American freshwater stingray |
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photo by
Murch, A. |
| Family: | Potamotrygonidae (River stingrays), subfamily: Potamotrygoninae | |||
| Max. size: | 50 cm WD (male/unsexed); max.weight: 34 kg | |||
| Environment: | benthopelagic; freshwater; pH range: 5 - 6; dH range: 10, potamodromous | |||
| Distribution: | South America: Uruguay, Paraná-Paraguay, Orinoco, and Amazon River basins. | |||
| Diagnosis: | ||||
| Biology: | Found in freshwater rivers. It is an extremely dangerous species. Maximum length reported in Axelrod et al., 1991 (Ref. 6398) is 100 cm TL. | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 22 October 2024 Ref. (130435) | |||
| Threat to humans: | traumatogenic | |||