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Chaetostoma marginatum Regan, 1904

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

Chaetostoma marginatum is a species of freshwater ray-finned fish belonging to the family Loricariidae, the suckermouth armoured catfishes, and the subfamily Hypostominae, the suckermouth catfishes. This catfish is found in South America, where it occurs in Esmereldas and Guayas drainages in Ecuador. It has also been recorded in the Magdalena River basin, as well as in the Baudo, San Juan and Anchicaya Rivers in Colombia, although these record s still require confirmation. This species reaches a standard length of 19 cm (7.5 in).

Wikipedia contributors, Chaetostoma marginatum; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T19:16:44.634090+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name
Chaetostoma marginatum Regan, 1904
Name authority
Regan, 1904
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Order
Siluriformes
Family
Loricariidae
Genus
Chaetostoma
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. familyLoricariidae Rafinesque, 1815
  12. subfamilyHypostominae Kner, 1853
  13. tribeChaetostomatini Fowler, 1958
  14. genusChaetostoma Tschudi, 1846
  15. speciesChaetostoma marginatum Regan, 1904

Close classified relatives

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

SpeciesClassificationSource status
Chaetostoma anale (Fowler, 1943)LoricariidaeChordataAccepted speciesExtinction status not supplied
Chaetostoma guairense Steindachner, 1881LoricariidaeChordataAccepted speciesExtinction status not supplied
Chaetostoma jegui Rapp Py-Daniel, 1991LoricariidaeChordataAccepted speciesExtinction status not supplied
Chaetostoma leucomelas Eigenmann, 1918LoricariidaeChordataAccepted speciesExtinction status not supplied
Chaetostoma branickii Steindachner, 1881LoricariidaeChordataAccepted speciesExtinction status not supplied
Chaetostoma palmeri Regan, 1912LoricariidaeChordataAccepted speciesExtinction status not supplied
Chaetostoma stroumpoulos Salcedo, 2006LoricariidaeChordataAccepted speciesExtinction status not supplied
Chaetostoma lineopunctatum Eigenmann & Allen, 1942LoricariidaeChordataAccepted speciesExtinction status not supplied
Chaetostoma formosae Ballen, 2011LoricariidaeChordataAccepted speciesExtinction status not supplied
Chaetostoma breve Regan, 1904LoricariidaeChordataAccepted speciesExtinction status not supplied
Chaetostoma daidalmatos Salcedo, 2006LoricariidaeChordataAccepted speciesExtinction status not supplied
Chaetostoma dorsale Eigenmann, 1922LoricariidaeChordataAccepted speciesExtinction status not supplied

Browse 823 records assigned to Loricariidae.

Names & synonyms

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

Recorded nameSource status
Chaetostomus marginatus Regan, 1904 Regan, 1904synonym

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. Regan, C. T. (1904). A monograph of the fishes of the family Loricariidae. Transactions of the Zoological Society of London, v. 17 (pt 3, no. 1): 191–350, Pls. 9–21. 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:5Y2FM. Classification follows source parent identifiers. English common names may vary by region.