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Potamotrygon henlei (Castelnau, 1855) Bigtooth river stingray |
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photo by
JJPhoto |
| Family: | Potamotrygonidae (River stingrays), subfamily: Potamotrygoninae | |||
| Max. size: | 45 cm WD (male/unsexed) | |||
| Environment: | benthopelagic; freshwater; pH range: 5.80000019073486 - 7.19999980926514; dH range: 4 - 15 | |||
| Distribution: | South America: Tocantins River basin (Tocantins and Araguaia rivers). | |||
| Diagnosis: | ||||
| Biology: | ||||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 30 April 2004 Ref. (130435) | |||
| Threat to humans: | harmless | |||