{{Short description|Genus of fishes}} {{Speciesbox | status = LC | status_system = IUCN3.1 | status_ref = <ref name = iucn>{{cite iucn|author=Instituto Chico Mendes de Conservação da Biodiversidade (ICMBio)|author-link=Chico Mendes Institute for Biodiversity Conservation |year=2022|title= ''Reganella depressa''|article-number= e.T140708571A140708583|doi=10.2305/IUCN.UK.2022-1.RLTS.T140708571A140708583.pt|access-date= 11 September 2025|lang=pt-br}}</ref> | display_parents = 3 | taxon = Reganella depressa | parent_authority = C. H. Eigenmann, 1905<ref name = "Cof family">{{Cof family|family=Loricariinae|access-date=3 March 2026}}</ref> | authority = (Kner, 1853)<ref name = "Cof family"/> | synonyms = ''Hemiodon depressus'' <small>Kner, 1853</small> | synonyms_ref = <ref name = "Cof genus">{{Cof genus|genus=Reganella|access-date=3 March 2026}}</ref> }}

'''''Reganella''''' is a monospecific genus of freshwater ray-finned fish belonging to the family Loricariidae, the suckermouth armored catfishes, and the subfamily Loricariinae, the mailed catfishes.<ref name = "Cof family"/> The only species in this genus is '''''Reganella depressa'''''.<ref name=covain>{{cite journal|url=http://www.mapress.com/zootaxa/2007f/zt01462p040.pdf|title=The genera of the Neotropical armored catfish subfamily Loricariinae (Siluriformes: Loricariidae): a practical key and synopsis|first=Raphael|last=Covain|author2=Fisch-Muller, Sonia |journal=Zootaxa|volume=1462|pages=1–40|year=2007|doi=10.11646/zootaxa.1462.1.1}}</ref> ''R. depressa'' is a poorly known species and uncommon in collections. Its phylogenetic position remains uncertain.<ref name=covain/>

This species is endemic to Brazil where it occurs in the middle Amazon basin, including the Negro, Tapajos, and Branco Rivers.<ref name=covain/><ref name=fishbase/> ''R. depressa'' probably inhabits sandy substrates with flowing waters.<ref name=covain/> ''R. depressa'' reaches a length of {{convert|11.3|cm|in}} SL.<ref name=fishbase>{{FishBase|genus=Reganella|species=depressa|year=2011|month=December}}</ref>

==References== {{Reflist}}

{{Taxonbar|from1=Q18521206|from2=Q5028451}}

Category:Loricariinae Category:Fish described in 1853 Category:Fish of the Amazon basin Category:Suckermouth catfish of Brazil Category:Endemic fish of Brazil Category:Monotypic Actinopterygii genera Category:Catfish genera Category:Taxa named by Carl H. Eigenmann Category:Taxa named by Rudolf Kner

{{Loricariinae-stub}}