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.
Lobetoothed piranha (Pygopristis denticulata), is a tropical, freshwater ray-finned fish native to river drainages in northern South America from the Orinoco River to the Amazon River. Limited information is available about this species. This species possesses powerful dentition that are capable of harming humans. P. denticulata is regulated in multiple States. No introductions of Pygopristis denticulata have been recorded anywhere outside of the native range. History of invasiveness is classified as No Known Nonnative Population. The climate match for the contiguous United States is low. There were areas of medium match in peninsular Florida and along the coast of Texas. The certainty of assessment is low due to lack of information. The overall risk assessment for Pygopristis denticulata is Uncertain.
Publication date
Type of document
Uncertain Risk
Program
