The Western luminous roughy (''Aulotrachichthys argyrophanus'') is a

slimehead Slimeheads, also known as roughies and redfish, are mostly small, exceptionally long-lived, deep-sea beryciform fish constituting the family Trachichthyidae (derived from the Greek ''trachys'' – "rough" and ''ichthys'' – "fish"). Found in tem ...

from the family Trachichthyidae. It is found in the southwest Atlantic, off the

Amazon River The Amazon River (, ; es, Río Amazonas, pt, Rio Amazonas) in South America is the largest river by discharge volume of water in the world, and the disputed longest river system in the world in comparison to the Nile. The headwaters of t ...

mouth in northern Brazil. It can be found as deep as and can reach lengths of up to SL.

References

Aulotrachichthys Fish described in 1961 Fish of the Atlantic Ocean Fish of Brazil {{Beryciformes-stub