MythscribeMundus
THE NATURAL & IMAGINED WORLDAn illustrated compendium
NATURAL HISTORY · CATALOGUE RECORD

Diplomystes chilensis (Molina, 1782)

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

Diplomystes chilensis, the tollo or tollo de agua dulce, is a species of freshwater ray-finned fish belonging to the family Diplomystidae, the velvet catfishes. This fish is endemic to Chile where it is found in the area of Valparaíso and Santiago. It grows to a maximum total length of 23 centimetres (9.1 in). This species was previously considered to be extinct but in 2000 it was reported that two specimens had been collected from the Rio Cachapoal in the Rapel basin.

Wikipedia contributors, Diplomystes chilensis; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T19:32:27.461943+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name
Diplomystes chilensis (Molina, 1782)
Name authority
(Molina, 1782)
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Order
Siluriformes
Family
Diplomystidae
Genus
Diplomystes
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. familyDiplomystidae Eigenmann, 1890
  12. genusDiplomystes Bleeker, 1858
  13. speciesDiplomystes chilensis (Molina, 1782)

Close classified relatives

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

SpeciesClassificationSource status
Diplomystes incognitus Arratia & Quezada-Romegialli, 2017DiplomystidaeChordataAccepted speciesExtinction status not supplied
Diplomystes camposensis Arratia, 1987DiplomystidaeChordataAccepted speciesExtinction status not supplied
Diplomystes nahuelbutaensis Arratia, 1987DiplomystidaeChordataAccepted speciesExtinction status not supplied

Browse 7 records assigned to Diplomystidae.

Names & synonyms

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

Recorded nameSource status
Arius cacharioides Leybold, 1859 Leybold, 1859synonym
Arius carcharioides Leybold, 1859 Leybold, 1859synonym
Arius micropterus Philippi, 1866 Philippi, 1866synonym
Arius papillosus Valenciennes, 1840 Valenciennes, 1840synonym
Arius synodon Philippi, 1866 Philippi, 1866synonym
Arius villosus Philippi, 1866 Philippi, 1866synonym
Diplomystes papillosus (Valenciennes, 1840) (Valenciennes, 1840)synonym
Silurus chilensis Molina, 1782 Molina, 1782synonym
Arius squalus Philippi, 1866 Philippi, 1866synonym

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=1020874 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:36M6M. Classification follows source parent identifiers. English common names may vary by region.