beardfish
Pentanemus quinquarius (Linnaeus, 1758)
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.

Pentanemus quinquarius
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Open encyclopedia reference
The royal threadfin (Pentanemus quinquarius) is a species of ray-finned fish, a threadfin from the family Polynemidae, the threadfins. It is found in the eastern Atlantic Ocean along the western coast of Africa.
Wikipedia contributors, Royal threadfin; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T02:35:34.045917+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Pentanemus quinquarius (Linnaeus, 1758)
- Name authority
- (Linnaeus, 1758)
- Common name
- beardfish
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Family
- Polynemidae
- Genus
- Pentanemus
- Extinction status
- Not supplied by this source
Source habitat flags: Marine: yes · Freshwater: no · 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
- familyPolynemidae Rafinesque, 1815
- genusPentanemus Günther, 1860
- speciesPentanemus quinquarius (Linnaeus, 1758)
Close classified relatives
No other member of this genus is present in the selected snapshot.
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Polynemus artedii Bennett, 1831 Bennett, 1831 | synonym |
| Polynemus quinquarios Linnaeus, 1758 Linnaeus, 1758 | synonym |
| Polynemus macronemus Pel, 1851 Pel, 1851 | synonym |
| Polynemus peli Njock, 1990 Njock, 1990 | synonym |
| Polynemus quinquarius Linnaeus, 1758 Linnaeus, 1758 | 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=282202 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.
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:76NJK. Classification follows source parent identifiers. English common names may vary by region.