# Dionda

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> Source: https://en.wikipedia.org/wiki/Dionda
> Source revision: 1355281735
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{{Short description|Genus of fishes}}
{{Automatic taxobox
| image = Devils River minnow.jpg
| image_caption = [Devils River minnow](/source/Devils_River_minnow) (''Dionda diaboli'')
| taxon = Dionda
| authority = [Girard](/source/Charles_Fr%C3%A9d%C3%A9ric_Girard), 1856<ref name = "Cof family">{{Cof family|family=Pogonichthyinae|access-date=10 March 2025}}</ref>
| type_species = ''Dionda episcopa''
| type_species_authority = Girard, 1856<ref name = "Cof family"/>
| subdivision_ranks = Species
| subdivision = See text.
}}

'''''Dionda''''' is the genus of '''desert [minnow](/source/minnow)s''', small fish belonging to the  [family](/source/Family_(taxonomy)) [Leuciscidae](/source/Leuciscidae), the shiners, daces and minnows.<ref name = "Cof family"/><ref name=FishBase>{{FishBase genus | genus = Dionda | month = September | year = 2018}}</ref> They are native to [fresh water](/source/fresh_water)s in the United States and Mexico. Their range is centered in the [Rio Grande](/source/Rio_Grande) basin, but they also occur in associated systems, including [Nazas](/source/Nazas_River)–[Aguanaval](/source/Aguanaval_River) of north–central Mexico, and [Nueces](/source/Nueces_River), [San Antonio](/source/San_Antonio_River) and [Colorado](/source/Colorado_River_(Texas)) of [Texas](/source/Texas).<ref name=Schonhuth2008>{{cite journal | author1=Schönhuth, S. | author2=I. Doadrio | author3=O. Dominguez-Dominguez | author4=D.M. Hillis | author5=R.L. Mayden | year=2008 | title=Molecular evolution of southern North American Cyprinidae (Actinopterygii), with the description of the new genus Tampichthys from central Mexico | journal=Molecular Phylogenetics and Evolution | volume=47 | issue=2 | pages=729–756 | doi=10.1016/j.ympev.2007.11.036 }}</ref>

These are small fish, no more than {{cvt|9|cm|in}} long, and overall brownish-silvery with a distinct dark horizontal line from the head to the tail base.<ref name=FishBase/> They are believed to feed primarily on [algae](/source/algae).

==Species==
These are the species in this genus.<ref name = "Cof genus">{{Cof genus|genus=Dionda|access-date=10 March 2025}}</ref> Additionally, the species now placed in ''[Tampichthys](/source/Tampichthys)'' were formerly included in ''Dionda'' instead.<ref name=Schonhuth2008/>

* ''[Dionda argentosa](/source/Dionda_argentosa)'' <small>[Girard](/source/Charles_Fr%C3%A9d%C3%A9ric_Girard), 1856</small> (Manantial roundnose minnow)
* ''[Dionda diaboli](/source/Dionda_diaboli)'' <small>[C. Hubbs](/source/Clark_Hubbs) & [W. H. Brown](/source/William_H._Brown_(biologist)), 1957</small> (Devils River minnow)
* ''[Dionda episcopa](/source/Dionda_episcopa)'' <small>Girard, 1856</small> (Roundnose minnow)
* ''[Dionda flavipinnis](/source/Dionda_flavipinnis)'' <small>([Cope](/source/Edward_Drinker_Cope), 1880)</small>
* ''[Dionda melanops](/source/Dionda_melanops)'' <small>Girard, 1856</small> (Spotted minnow)
* ''[Dionda nigrotaeniata](/source/Dionda_nigrotaeniata)'' <small>(Cope, 1880)</small> (Guadalupe roundnose minnow)
* ''[Dionda serena](/source/Dionda_serena)'' <small>Girard, 1856</small> (Nueces roundnose minnow)
* ''[Dionda texensis](/source/Dionda_texensis)'' <small>Girard, 1856</small>

==References==
{{Reflist}}
* {{ITIS |id=163512 |taxon=Dionda |accessdate=6 June 2006}}

{{Taxonbar|from=Q836756}}
{{Authority control}}

Category:Dionda
Category:Pogonichthyinae
Category:Taxa named by Charles Frédéric Girard

{{Leuciscinae-stub}}

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Adapted from the Wikipedia article [Dionda](https://en.wikipedia.org/wiki/Dionda) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Dionda?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.