Leptobrycon

{{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=''Leptobrycon jatuaranae'' |lang=pt-br |article-number=e.T139549622A139549628 |doi=10.2305/IUCN.UK.2022-1.RLTS.T139549622A139549628.pt |access-date=11 November 2025}}</ref> | parent_authority = C. H. Eigenmann, 1915<ref name = "Cof genus">{{Cof genus|genus=Leptobrycon|access-date=11 November 2025}}</ref> | taxon = Leptobrycon jatuaranae | authority = C. H. Eigenmann, 1915<ref name = "Cof genus"/> }}

'''''Leptobrycon''''' is a monospecific genus of freshwater ray-finned fish belonging to the suborder Characoidei within the order Characiformes, the characins. The only species in the genus is '''''Leptobrycon jatuaranae''''', which is endemic to Brazil, where it occurs in the Amazon River basin. This taxon has not been assigned to a particular family within the Characoidei and is considered to be ''incertae sedis'', i.e. its taxonomic affinities are, as yet, unclear.<ref name = "Cof genus"/> This is a small fish with a maximum length of {{cvt|2.9|cm}}.<ref name = FishBase>{{FishBase|Leptobrycon|jatuaranae|month=April|year=2025}}</ref>

==References== {{Reflist}}

Category:Characoidei incertae sedis Category:Monotypic Actinopterygii genera Category:Characiformes genera Category:Freshwater fish of Brazil Category:Endemic fish of Brazil Category:Taxa named by Carl H. Eigenmann Category:Fish described in 1915