Species that are considered uncertain risk need a more in-depth assessment beyond the Risk Summary to better define the species’ risk to U.S. environments.
Potamotrygon marinae is a species of freshwater stingray that is native to rivers in Suriname, French Guiana, and Brazil. There is very little known about this species but it is present in the ornamental trade, including in the United States. Potamotrygon marinae is regulated in Arizona, California, Florida, Georgia, Mississippi, Nevada, Oklahoma, and Texas. The history of invasiveness is classified as No Known Nonnative Population. No records of introduction were found so there is also no information on impacts of introduction. The climate match was low for the contiguous United States. All states had low individual climate scores. The certainty of assessment is low due to lack of information. The overall risk assessment category is Uncertain.