Pyxiloricaria menezesi

Taxobox
name = "Pyxiloricaria menezesi"
regnum = Animalia
phylum = Chordata
classis = Actinopterygii
ordo = Siluriformes
familia = Loricariidae
subfamilia = Loricariinae
tribus = Loricariini
genus = "Pyxiloricaria"
genus_authority = Isbrücker & Nijssen, 1984
species = "P. menezesi"
binomial = "Pyxiloricaria menezesi"
binomial_authority = Isbrücker & Nijssen, 1984

"Pyxiloricaria menezesi" is the only species of the monotypic genus "Pyxiloricaria", a genus of the family Loricariidae of catfish (order Siluriformes).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|coauthors=Fisch-Muller, Sonia|journal=Zootaxa|volume=1462|pages=1–40|year=2007|formattPDF]

This species only known from the Paraguay River drainage. "P. menezesi" inhabits sandy substrates and is sympatric with representatives of the genus "Pseudohemiodon".

"P. menezesi" reaches a length of about 14 centimetres (5.5 in) SL.FishBase species|genus=Pyxiloricaria|species=menezesi|year=2007|month=May] 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.

References