Otocinclus huaorani Schaefer, 1997
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
Otocinclus huaorani is a species of freshwater ray-finned fish belonging to the family Loricariidae, the suckermouth armored catfishes, and the subfamily Hypoptopomatinae, the cascudinhos. This catfish is found in Colombia, Ecuador and Peru.
Otocinclus huaorani can reach a maximum standard length of 3.2 cm (1.3 in).
The specific name, huaorani, refers to the Huaorani people of Ecuador who live in the upper Napo in Ecuador, this people have resisted encroachment and habitat destruction, mainly from oil exploration, in the Yasuní National Park by diplomatic and violent methods.
Wikipedia contributors, Otocinclus huaorani; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T23:27:47.373844+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Otocinclus huaorani Schaefer, 1997
- Name authority
- Schaefer, 1997
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Siluriformes
- Family
- Loricariidae
- Genus
- Otocinclus
- 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.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- gigaclassActinopterygii
- superclassActinopteri
- classTeleostei
- orderSiluriformes
- familyLoricariidae Rafinesque, 1815
- subfamilyHypoptopomatinae Eigenmann & Eigenmann, 1890
- genusOtocinclus Cope, 1871
- speciesOtocinclus huaorani Schaefer, 1997
Close classified relatives
These entries share the source’s genus, Otocinclus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Otocinclus mangaba Lehmann A., Mayer & Reis, 2010 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Otocinclus mimulus Axenrot & Kullander, 2003 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Otocinclus mura Schaefer, 1997 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Otocinclus arnoldi Regan, 1909 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Otocinclus bororo Schaefer, 1997 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Otocinclus flexilis Cope, 1894 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Otocinclus affinis Steindachner, 1877 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Otocinclus batmani Lehmann A., 2006 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Otocinclus caxarari Schaefer, 1997 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Otocinclus cocama Reis, 2004 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Otocinclus juruenae Ribeiro & Lehmann A., 2016 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Otocinclus mariae Fowler, 1940 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
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.
- Schaefer, S. A. (1997). The neotropical cascudinhos: systematics and biogeography of the Otocinclus catfishes (Siluriformes: Loricariidae). Proceedings of the Academy of Natural Sciences of Philadelphia, 148: 1–120. 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:75DLM. Classification follows source parent identifiers. English common names may vary by region.