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.
The Striped Headstander (Anostomus anostomus) is a fish native to the Amazon and Orinoco River basins of South America. It is sold as an aquarium fish. The history of invasiveness for Anostomus anostomus was uncertain. There was a record of introduction found but no information on whether it was an established population or impacts of the introduction. The Climate 6 score was 0.000, low. The climate match was low across the United States with small areas of medium match in extreme southern Texas, extreme southern Louisiana and southern Florida. The certainty of assessment was low. The overall risk assessment category is uncertain.