Article · Wikipedia archive · Last revised Jul 18, 2026

Mixobrycon

Mixobrycon 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 Mixobrycon ribeiroi, a species endemic to Paraguay, where it is found in the Paraguay 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.

Last revised
Jul 18, 2026
Read time
≈ 1 min
Length
205 w
Citations
4
Source
Mixobrycon
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: incertae sedis
Genus: Mixobrycon
C. H. Eigenmann, 1915
Species:
M. ribeiroi
Binomial name
Mixobrycon ribeiroi
(C. H. Eigenmann, 1907)
Synonyms2
  • Cheirodon ribeiroi C. H. Eigenmann, 1907

Mixobrycon 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 Mixobrycon ribeiroi , a species endemic to Paraguay, where it is found in the Paraguay 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.2

Named in honor of Alípio de Miranda Ribeiro (1874-1939) a Brazilian ichthyologist-herpetologist.3

References

References

  1. Vera-Alcaraz, H.S. (2023). "Mixobrycon ribeiroi". IUCN Red List of Threatened Species. 2023 e.T176429176A176429191. doi:10.2305/IUCN.UK.2023-1.RLTS.T176429176A176429191.en. Retrieved 15 May 2025.
  2. Fricke, Ron; Eschmeyer, William N. & van der Laan, Richard (eds.). "Species in the genus Mixobrycon". Catalog of Fishes. California Academy of Sciences. Retrieved 11 November 2025.
  3. Christopher Scharpf (25 November 2024). "Family CHARACIDAE: Subfamily Incertae sedis". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf. Retrieved 11 November 2025.