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Mesonauta acora (Castelnau, 1855)

Source-backed taxonomic record

Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.

Open encyclopedia reference

Mesonauta acora is a species of cichlid fish endemic to the Amazon Basin of Brazil; specifically, to blackwater in the Xingu and Tocantins River basins in South America. The species was named by François Louis de la Porte, comte de Castelnau in 1855.

All Mesonauta Acoras are omnivores. Their diet is composed of insects, aquatic invertebrates and algae.

Wikipedia contributors, Mesonauta acora; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T23:11:10.409902+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name
Mesonauta acora (Castelnau, 1855)
Name authority
(Castelnau, 1855)
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Order
Cichliformes
Family
Cichlidae
Genus
Mesonauta
Extinction status
Not supplied by this source

Source habitat flags: Marine: no · Freshwater: yes · Terrestrial: no. These do not form a complete habitat description.

Classification family tree

Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.

  1. domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
  2. kingdomAnimalia
  3. phylumChordata
  4. subphylumVertebrata
  5. infraphylumGnathostomata
  6. parvphylumOsteichthyes
  7. gigaclassActinopterygii
  8. superclassActinopteri
  9. classTeleostei
  10. orderCichliformes
  11. familyCichlidae Bonaparte, 1835
  12. subfamilyCichlinae Bonaparte, 1835
  13. genusMesonauta Günther, 1862
  14. speciesMesonauta acora (Castelnau, 1855)

Close classified relatives

These entries share the source’s genus, Mesonauta. They are not necessarily the closest relatives established by molecular evidence.

SpeciesClassificationSource status
Mesonauta egregius Kullander & Silfvergrip, 1991CichlidaeChordataAccepted speciesExtinction status not supplied
Mesonauta guyanae Schindler, 1998CichlidaeChordataAccepted speciesExtinction status not supplied
Mesonauta insignis (Heckel, 1840)CichlidaeChordataAccepted speciesExtinction status not supplied
Mesonauta festivus (Heckel, 1840)CichlidaeChordataAccepted speciesExtinction status not supplied
Mesonauta mirificus Kullander & Silfvergrip, 1991CichlidaeChordataAccepted speciesExtinction status not supplied

Browse 1,355 records assigned to Cichlidae.

Names & synonyms

Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.

Recorded nameSource status
Chromys acora Castelnau, 1855 Castelnau, 1855synonym

Source literature & publication evidence

References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.

  1. https://www.marinespecies.org/aphia.php?p=taxdetails&id=1026420 Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references

Origins, evidence & remaining research

Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.

Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record. A suitable sourced image remains to be added.

Dataset citation & attribution

This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11

Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.

Stable key: col:424NL. Classification follows source parent identifiers. English common names may vary by region.