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.
Aphanotorulus horridus is a South American catfish native to the upper Amazon River basin in Ecuador, Peru, Bolivia, and Brazil. The history of invasiveness is uncertain. It has not been reported as introduced or established outside the native range anywhere in the world. The overall climate match for the contiguous United States was medium with all States having an individually low climate score except for Florida, which had a high individual climate score. The certainty of assessment is low. The overall risk assessment category for Aphanotorulus horridus is uncertain.
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Uncertain Risk
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