{{Short description|Species of fish}} {{Speciesbox | status = LC | status_system = IUCN3.1 | status_ref = <ref>{{cite iucn|author=Brancolini, F.|author2= Baigun, C. |author3= Minotti, P. |name-list-style=amp |year= 2023 |title= ''Ricola macrops''|article-number= e.T176500446A176500470 |doi=10.2305/IUCN.UK.2023-1.RLTS.T176500446A176500470.en|access-date=29 February 2024}}</ref> | display_parents = 3 | taxon = Ricola macrops | parent_authority = Isbrücker & Nijssen, 1974<ref name = "Cof family">{{Cof family|family=Loricariinae|access-date=6 March 2026}}</ref> | authority = (Regan, 1904)<ref name = "Cof family"/> | synonyms = ''Loricaria macrops'' <br /><small>Regan, 1904</small> | synonyms_ref = <ref name = "Cof family"/> }}
'''''Ricola macrops''''' is a species of freshwater ray-finned fish belonging to the family Loricariidae, the suckermouth armored catfishes, and the subfamily Loricariinae, the mailed catfishes. It is the only species in the monospecific genus '''''Ricola'''''.<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>
Ecological and behavioral data are unavailable for this species.<ref name=covain/> This species is native to Argentina and Uruguay where it occurs in the lower Paraná River basin.<ref name=covain/> ''R. macrops'' probably inhabits sandy substrates with flowing waters.<ref name=covain/> ''R. macrops'' reaches a length of {{convert|21.0|cm|in}} SL.<ref name=fishbase>{{FishBase|genus=Ricola|species=macrops|year=2011|month=December}}</ref>
It shares features with representatives of different groups within Loricariini. For example, it possesses conspicuous fringed barbels on the lower lip, a feature shared by the representatives of the ''Pseudohemiodon'' group. It also bears numerous papillae on the inner surfaces of the lips and numerous straight bicuspid teeth that are characteristic of the ''Rineloricaria'' group.<ref name=covain/>
==References== {{Reflist}}
{{Taxonbar|from1=Q3765894|from2=Q18746623}}
Category:Loricariinae Category:Fish described in 1904 Category:Fish of South America Category:Fish of Argentina Category:Fish of Uruguay Category:Taxa named by Charles Tate Regan
{{Loricariinae-stub}}