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Helogenes castaneus (Dahl, 1960)

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

Helogenes castaneus is a species of freshwater ray-finned fishes belonging to the family Cetopsidae, the whale catfishes. This species is endemic to Colombia, where it is found in the Guaviare River and Meta River drainages of the upper Orinoco River. This species grows to a standard length of 4.7 cm (1.9 in).

Wikipedia contributors, Helogenes castaneus; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T22:45:16.950773+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name
Helogenes castaneus (Dahl, 1960)
Name authority
(Dahl, 1960)
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Order
Siluriformes
Family
Cetopsidae
Genus
Helogenes
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. orderSiluriformes
  11. familyCetopsidae Bleeker, 1858
  12. subfamilyHelogeninae Regan, 1911
  13. genusHelogenes Günther, 1863
  14. speciesHelogenes castaneus (Dahl, 1960)

Close classified relatives

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

SpeciesClassificationSource status
Helogenes gouldingi Vari & Ortega, 1986CetopsidaeChordataAccepted speciesExtinction status not supplied
Helogenes marmoratus Günther, 1863CetopsidaeChordataAccepted speciesExtinction status not supplied
Helogenes uruyensis Fernández-Yépez, 1967CetopsidaeChordataAccepted speciesExtinction status not supplied

Browse 27 records assigned to Cetopsidae.

Names & synonyms

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

Recorded nameSource status
Levaichthys castaneus Dahl, 1960 Dahl, 1960synonym
Leyvaichthys castaneus Dahl, 1960 Dahl, 1960synonym

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=1524794 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:3KH37. Classification follows source parent identifiers. English common names may vary by region.