Ctenobrycon spilurus (Valenciennes, 1850)
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
Ctenobrycon spilurus, the silver tetra or silver dollar tetra, is a species of freshwater ray-finned fish belonging to the family Acestrorhamphidae, the American characins. This species occurs in the Orinoco River basin and coastal river basins of Guyana, Suriname and French Guiana, as well as Brazil and Venezuela, and can be found in shallow slow moving streams with heavy vegetation. With temperatures that range from 23–27 °C (73–81 °F). The fish can grow to a maximum length of 8.0 cm (3+1⁄4 in).
Wikipedia contributors, Ctenobrycon spilurus; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T19:26:56.763550+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Ctenobrycon spilurus (Valenciennes, 1850)
- Name authority
- (Valenciennes, 1850)
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Characiformes
- Family
- Acestrorhamphidae
- Genus
- Ctenobrycon
- 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
- orderCharaciformes
- suborderCharacoidei
- familyAcestrorhamphidae Eigenmann, 1907
- subfamilyAcestrorhamphinae Eigenmann, 1907
- genusCtenobrycon Eigenmann, 1908
- speciesCtenobrycon spilurus (Valenciennes, 1850)
Close classified relatives
These entries share the source’s genus, Ctenobrycon. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Ctenobrycon alleni (Eigenmann & McAtee, 1907) | AcestrorhamphidaeChordata | Accepted speciesExtinction status not supplied |
| Ctenobrycon hauxwellianus (Cope, 1870) | AcestrorhamphidaeChordata | Accepted speciesExtinction status not supplied |
| Ctenobrycon multiradiatus (Steindachner, 1876) | AcestrorhamphidaeChordata | Accepted speciesExtinction status not supplied |
| Ctenobrycon oliverai Benine, Lopes & Ron, 2010 | AcestrorhamphidaeChordata | Accepted speciesExtinction status not supplied |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Tetragonopterus spilurus Valenciennes, 1850 Valenciennes, 1850 | synonym |
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.
- https://www.marinespecies.org/aphia.php?p=taxdetails&id=1418642 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:3256N. Classification follows source parent identifiers. English common names may vary by region.