Nothonotus aquali (Williams & Etnier, 1978)
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
The coppercheek darter (Nothonotus aquali) is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to the southeastern United States. It is only known from the Duck River system of Tennessee. It is an inhabitant of small and medium rivers where it occurs in rocky riffles with clear, fast-flowing water. It preys on insect larvae and other immature stages and is also known to consume snails. This species can reach a length of 8 cm (3.1 in), though most only reach about 5.6 cm (2.2 in).
Wikipedia contributors, Coppercheek darter; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T23:21:51.557652+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Nothonotus aquali (Williams & Etnier, 1978)
- Name authority
- (Williams & Etnier, 1978)
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Perciformes
- Family
- Percidae
- Genus
- Nothonotus
- 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
- orderPerciformes
- suborderPercoidei
- familyPercidae Rafinesque, 1815
- subfamilyEtheostomatinae Agassiz, 1850
- genusNothonotus Putnam, 1863
- speciesNothonotus aquali (Williams & Etnier, 1978)
Close classified relatives
These entries share the source’s genus, Nothonotus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Nothonotus microlepidus (Raney & Zorach, 1967) | PercidaeChordata | Accepted speciesExtinction status not supplied |
| Nothonotus starnesi Keck & Near, 2013 | PercidaeChordata | Accepted speciesExtinction status not supplied |
| Nothonotus sanguifluus (Cope, 1870) | PercidaeChordata | 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 |
|---|---|
| Etheostoma aquali Williams & Etnier, 1978 Williams & Etnier, 1978 | 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=1012647 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:47TFY. Classification follows source parent identifiers. English common names may vary by region.