''Scleromystax reisi'' is a species of

catfish Catfish (or catfishes; order Siluriformes or Nematognathi) are a diverse group of ray-finned fish. Named for their prominent barbels, which resemble a cat's whiskers, catfish range in size and behavior from the three largest species alive, ...

of the family

Callichthyidae Callichthyidae is a family of catfishes (order Siluriformes), called armored catfishes due to the two rows of bony plates (or scutes) along the lengths of their bodies. It contains some of the most popular freshwater aquarium fish, such as many s ...

. Its distribution is in the streams of tributaries of the rio Jacuí and rio Camaquã of the laguna dos Patos drainage, of the Rio Grande do Sul in

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

.Britto, M.R., Fukakusa, C.K. & Malabarba, L.R. (2016)
New species of ''Scleromystax'' Günther, 1864 (Siluriformes: Callichthyidae) - extending the meridional distribution of genera endemic to the Atlantic Forest.
''Neotropical Ichthyology, 14 (3): e150158.''

Etymology

The fish is named in honor of

Roberto E. Reis Roberto Esser dos Reis, is a Brazilian ichthyologist, professor and Curator of Fishes at the Pontifical Catholic University of Rio Grande do Sul. Among other duties, Reis has been working at the University of São Paulo, Brazil, the University of ...

of the Pontificia Universidade Católica do Rio Grande do Sul, because of his many contributions to neotropical ichthyology, and the studies of callichthyid fishes.

References

, Introducing a New Catfish, Scleromystax reisi
Callichthyidae Catfish of South America Fish of Brazil Taxa named by Marcelo Ribeiro de Britto Taxa named by Clayton Kunio Fukakusa Taxa named by Luiz Roberto Malabarba Fish described in 2016 {{callichthyidae-stub