Potamotrygon adamastor Fontenelle & Carvalho, 2017

Family:  Potamotrygonidae (River stingrays), subfamily: Potamotrygoninae
Max. size:  54.5 cm WD (female)
Environment:  benthopelagic; freshwater
Distribution:  South America: Rio Urariquera, rio Branco system, Amazon Basin in Roraima, Brazil.
IUCN Red List Status: Least Concern (LC); Date assessed: 23 February 2021 Ref. (130435)
Threat to humans:  harmless

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