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.
Payara (Hydrolycus wallacei) is a freshwater fish species native to South America that is found in the Negro and upper Orinoco river basins. No introductions of this species have been reported. More information is needed to understand the potential impacts of introductions of this species; absence of this information makes the certainty of this assessment low. Climate match with the United States is low. Overall risk posed by this species is uncertain.
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Uncertain Risk
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