Ecological Risk Screening Summary - Serrasalmus hastatus (a piranha, no common name) - Uncertain Risk

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.

Serrasalmus hastatus is a species of piranha that is native to the Rio Negro basin in Brazil. The species was described recently by Fink and Machado-Allison (2001), and little information exists on its biology, ecology, or distribution. No introductions of S. hastatus have been reported outside its native range, and no information was found on use or trade of this species. The history of invasiveness is uncertain. Climate match to the contiguous United States was low. Due to lack of information, the certainty of assessment is low. The overall risk assessment category for S. hastatus is uncertain.