Baryancistrus xanthellus Rapp Py-Daniel, Zuanon & Ribeiro de Oliveira, 2011
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
Baryancistrus xanthellus 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 benthic catfish is endemic to Brazil where it is found in the Volta Grande and Xingu River, as well as the area immediately above Belo Monte falls and the Iriri River. It reaches a standard length of 22.4 cm (8.8 in). It appears in the aquarium trade, where it is typically referred to either by its associated L-numbers, which are L018, L081, L085, L177, LDA60, LDA116 or LDA117; or as the gold nugget pleco.
Wikipedia contributors, Baryancistrus xanthellus; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T19:08:33.288025+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Baryancistrus xanthellus Rapp Py-Daniel, Zuanon & Ribeiro de Oliveira, 2011
- Name authority
- Rapp Py-Daniel, Zuanon & Ribeiro de Oliveira, 2011
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Siluriformes
- Family
- Loricariidae
- Genus
- Baryancistrus
- 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
- subfamilyHypostominae Kner, 1853
- tribeSpectracanthicini Isbrücker & Nijssen, 1989
- genusBaryancistrus Rapp Py-Daniel, 1989
- speciesBaryancistrus xanthellus Rapp Py-Daniel, Zuanon & Ribeiro de Oliveira, 2011
Close classified relatives
These entries share the source’s genus, Baryancistrus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Baryancistrus micropunctatus de Oliveira, Rapp Py-Daniel & Oyakawa, 2019 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Baryancistrus niveatus (Castelnau, 1855) | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Baryancistrus quilombola Oliveira & Rapp Py-Daniel, 2025 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Baryancistrus isaaci Oliveira & Rapp Py-Daniel, 2025 | LoricariidaeChordata | Accepted speciesExtinction status not supplied |
| Baryancistrus chrysolomus Rapp Py-Daniel, Zuanon & Ribeiro de Oliveira, 2011 | 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.
- Rapp Py-Daniel, L., Zuanon, J., & Ribeiro de Oliveira, R. (2011). Two new ornamental loricariid catfishes of Baryancistrus from rio Xingu drainage (Siluriformes: Hypostominae). Neotropical Ichthyology, 9. https://doi.org/10.1590/s1679-62252011000200001 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:68DH5. Classification follows source parent identifiers. English common names may vary by region.