Montecristo cichlid

{{Short description|Species of fish}} {{Speciesbox | image = | display_parents = 3 | parent_authority = McMahan & Chakrabarty, 2015 | taxon = Oscura heterospila | status = DD | status_system = IUCN3.1 | status_ref = <ref name=IUCN>{{cite iucn |author=Lyons, T.J. |author2= Vega-Cendejas, M. |name-list-style=amp |year=2019 |title=''Oscura heterospila'' |article-number=e.T192922A2179904 |doi=10.2305/IUCN.UK.2019-2.RLTS.T192922A2179904.en |access-date=28 December 2021}}</ref> | authority = (C. L. Hubbs, 1936) | synonyms = {{species list |Cichlasoma heterospilum | |Cichlasoma heterospilus | |Herichthys heterospilus | |Theraps heterospila | |Theraps heterospilum | |Theraps heterospilus | |Vieja heterospila| |Vieja heterospilus|}} | synonyms_ref = <ref>{{cite WoRMS |author= Bailly, Nicolas|year= 2022|title= ''Oscura heterospila'' (Hubbs, 1936)|id= 1525351 |access-date=20 August 2023}}</ref> }}

The '''Montecristo cichlid''' ('''''Oscura heterospila''''') is a species of freshwater fish from the Atlantic slope of southern Mexico and Guatemala. This cichlid occurs in lagoons, creeks and rivers with slight to moderate current in the Grijalva–Usumacinta, Candelaria, Champotón and Coatzacoalcos river drainages.<ref name=IUCN/> It is currently recognized as the only species in its genus,<ref name=Mahan2015>{{cite journal |author=McMahan, C.D. |author2=Matamoros, W.A. |author3=Piller, K.R. |author4=Chakrabarty, P. | year = 2015 | title = Taxonomy and systematics of the herichthyins (Cichlidae: Tribe Heroini), with the description of eight new Middle American Genera | journal = Zootaxa | volume = 3999 | issue = 2 | pages = 211–234 | url = http://www.mapress.com/zootaxa/2015/f/zt03999p234.pdf | doi=10.11646/zootaxa.3999.2.3 | pmid = 26623572| s2cid = 34699955 }}</ref><ref name=FishBase>{{FishBase genus|genus=Oscura|month=December|year=2021}}</ref> but it is closely related to –and possibly should be merged into– ''Vieja'' (a genus where it also has been placed in the past).<ref name=Rican2016>{{cite journal|title=Diversity and evolution of the Middle American cichlid fishes (Teleostei: Cichlidae) with revised classification|author=Říčan, O.|author2=Piálek, L.|author3=Dragová, K.|author4=Novák, J.|name-list-style=amp|journal=Vertebrate Zoology|pages=1–102|volume=66|issue=1|year=2016|doi=10.3897/vz.66.e31534 |s2cid=257203657 |doi-access=free}}</ref> The Montecristo cichlid reaches up to {{cvt|24|cm|in}} in standard length.<ref name=FishBase/>

==References== {{Reflist}}

Category:Heroini Category:Cichlid fish of Central America Category:Fish of Guatemala Category:Fish of Mexico Category:Fish described in 1936 Category:Taxa named by Carl Leavitt Hubbs