Atopomesus

{{Short description|Genus of fishes}} {{Speciesbox | status = LC | status_system = IUCN3.1 | status_ref = <ref name = iucn>{{cite iucn |author=Lima, F. |year=2023 |title=''Atopomesus pachyodus'' |article-number=e.T164538470A164538496 |doi=10.2305/IUCN.UK.2023-1.RLTS.T164538470A164538496.en |access-date=2 October 2025}}</ref> | parent_authority = G. S. Myers, 1927<ref name = "Cof family">{{Cof family|family=Characinae|access-date=2 October 2025}}</ref> | display_parents = 2 | taxon = Atopomesus pachyodus | authority = G. S. Myers, 1927<ref name = "Cof family"/> }}

'''''Atopomesus''''' is a monospecific genus of fish belonging to the family Characidae.<ref name = "Cof family"/> The only species in the genus is '''''Atopomesus pachyodus''''', a characin.<ref name = "Cof genus">{{Cof genus|genus=Atopomesus|access-date=2 October 2025}}</ref> This fish is found in South America where it occurs in the mainstream of the Rio Negro, from near Manaus to the rio Casiquiare in Venezuela, and from the lower rio Teles Pires in the Tapajós basin, in Brazil, Colombia and Venezuela.<ref name = iucn/>

==References== {{Reflist}}

Category:Characinae Category:Fish of the Amazon basin Category:Endemic fish of Brazil Category:Freshwater fish of Brazil Category:Monotypic Actinopterygii genera Category:Taxa named by George S. Myers Category:Monotypic freshwater fish genera