Simpsonichthys marginatus

{{Short description|Species of killifish}} {{Speciesbox | image = | status = CR | status_system = IUCN3.1 | status_ref = <ref name="iucn status 11 March 2024">{{cite iucn |author=Instituto Chico Mendes de Conservação da Biodiversidade (ICMBio) |date=2022 |title=''Hypsolebias marginatus'' |volume=2022 |article-number=e.T136895026A136895039 |doi=10.2305/IUCN.UK.2022-1.RLTS.T136895026A136895039.pt |access-date=11 March 2024}}</ref> | taxon = Simpsonichthys marginatus | authority = W. J. E. M. Costa & G. C. Brasil, 1996 | synonyms = * ''Hypsolebias marginatus'' <small>(Costa & Brasil, 1996)</small> }}

'''''Simpsonichthys marginatus''''' is a species of killifish from the family Rivulidae. It is found in the São Francisco River basin, Brazil.

== Description == ''Simpsonichthys marginatus'' reaches a standard length of {{convert|6.0|cm|in|abbr=on}}.<ref>{{FishBase |genus= Simpsonichthys|species= marginatus| month = February | year = 2015}}</ref>

==References== {{Reflist}} *Costa, W.J.E.M., 2003. Rivulidae (South American Annual Fishes). p. 526-548. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil.

marginatus Category:Taxa named by Wilson José Eduardo Moreira da Costa Category:Taxa named by Gilberto Campello Brasil Category:Fish described in 1996