{{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=''Pyxiloricaria menezesi'' |article-number=e.T140708449A140708453 |doi=10.2305/IUCN.UK.2022-1.RLTS.T140708449A140708453.pt |lang=pt-br |access-date=3 March 2026}}</ref> | display_parents = 3 | taxon = Pyxiloricaria menezesi | parent_authority = Isbrücker & Nijssen, 1984<ref name = "Cof family">{{Cof family|family=Loricariinae|access-date=3 March 2026}}</ref> | authority = Isbrücker & Nijssen, 1984<ref name = "Cof family"/> }}
'''''Pyxiloricaria''''', 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"/><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> The only species in the genus is '''''Pyxiloricaria menezesi'''''.<ref name = "Cof genus">{{Cof genus|genus=Pyxiloricaria|access-date=3 March 2026}}</ref>
This species is endemic to Brazil where it occurs in the Paraguay River drainage.<ref name=covain/> ''P. menezesi'' inhabits sandy substrates and is sympatric with representatives of the genus ''Pseudohemiodon''.<ref name=covain/>
''Pyxiloricaria menezesi'' reaches a length of {{convert|14.0|cm|in}} SL.<ref name=fishbase>{{FishBase|genus=Pyxiloricaria|species=menezesi|year=2011|month=December}}</ref> The phylogenetic position is uncertain; although it is thought to be closely related to ''Pseudohemiodon'', it shares with ''Loricaria'' filamentous lips, inconspicuous fringed barbels on the lower lip, and shorter maxillary barbels.<ref name=covain/>
==References== {{Reflist}}
{{Taxonbar|from1=Q18746605|from2=Q3763125}}
Category:Loricariinae Category:Suckermouth catfish of Brazil Category:Endemic fish of Brazil Category:Taxa named by Isaäc J. H. Isbrücker Category:Taxa named by Han Nijssen Category:Monotypic Actinopterygii genera Category:Catfish genera
{{Loricariinae-stub}}