Ecological Risk Screening Summary - Trichomycterus longibarbatus (a catfish, 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.

Trichomycterus longibarbatus is a South American catfish known to occur in the vast area occupied by numerous isolated river basins between the Rio Paraíba do Sul and Rio Doce basins in southeastern Brazil. T. longibarbatus is associated with submerged litter stream and has been found to feed on Chironomidae and Odonate. T. longibarbatus is prohibited in multiple States. There have been no reports of this fish outside of its native range. The history of invasiveness is classified as No Known Nonnative Population. The overall climate match is Medium. Peninsular Florida and coastal Texas had medium matches and there was an area of high match in southern Florida. The certainty of assessment is Low due to a general lack of information. The overall risk assessment category for this species is Uncertain.