creek chub
Semotilus atromaculatus (Mitchill, 1818)
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.
Creek Chub, Semotilus atromaculatus
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Open encyclopedia reference
Semotilus atromaculatus, the creek chub or the common creek chub, is a species of freshwater ray-finned fish belonging to the family Leuciscidae. This species is found in the eastern US and Canada. Differing in size and color depending on origin of development, the creek chub can usually be defined by a dark brown body with a black lateral line spanning horizontally across the body. It lives primarily within streams and rivers. Creek chubs attain lengths of 2–6 inches (5.1–15.2 cm) with larger specimens of up to 12 inches (30 cm) long.
Wikipedia contributors, Semotilus atromaculatus; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T02:52:45.932780+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Semotilus atromaculatus (Mitchill, 1818)
- Name authority
- (Mitchill, 1818)
- Common name
- creek chub
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Cypriniformes
- Family
- Cyprinidae
- Genus
- Semotilus
- 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
- orderCypriniformes
- familyCyprinidae Rafinesque, 1815
- subfamilyLeuciscinae Bonaparte, 1835
- genusSemotilus Rafinesque, 1820
- speciesSemotilus atromaculatus (Mitchill, 1818)
Close classified relatives
These entries share the source’s genus, Semotilus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Semotilus corporalis (Mitchill, 1817) | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Semotilus thoreauianus Jordan, 1877 | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Semotilus lumbee Snelson & Suttkus, 1978 | CyprinidaeChordata | 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 |
|---|---|
| Semotilus cephalus Rafinesque, 1820 Rafinesque, 1820 | synonym |
| Semotilus macrocephalus Girard, 1856 Girard, 1856 | synonym |
| Leucosomus incrassatus Girard, 1856 Girard, 1856 | synonym |
| Cyprinus atromaculatus Mitchill, 1818 Mitchill, 1818 | synonym |
| Semotilus dorsalis Rafinesque, 1820 Rafinesque, 1820 | synonym |
| Semotilus hammondii Abbott, 1860 Abbott, 1860 | synonym |
| Semotilus speciosus Girard, 1856 Girard, 1856 | synonym |
| Leucosomus pallidus Girard, 1856 Girard, 1856 | synonym |
| Leuciscus iris Valenciennes, 1844 Valenciennes, 1844 | synonym |
| Leuciscus pulchelloides Ayres, 1850 Ayres, 1850 | synonym |
| Semotilus atromaculatus atromaculatus (Mitchill, 1818) (Mitchill, 1818) | 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=590495 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:4WHNV. Classification follows source parent identifiers. English common names may vary by region.