Chologaster cornuta Agassiz, 1853
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
Chologaster cornuta, commonly named swampfish, ricefish, or riceditch killifish, is a freshwater fish of the family Amblyopsidae. It is the only living species of the genus Chologaster. It only lives in US rivers in the Atlantic Coastal Plain drainages, from southeast Virginia to central Georgia. It lives up to two years. The Latin name refers to a very tiny horned bulge at front of the eye. They are commonly 4 cm (1.6 in) long, but may reach about 6.8 cm (2.7 in).
Wikipedia contributors, Chologaster; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T19:19:32.407117+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Chologaster cornuta Agassiz, 1853
- Name authority
- Agassiz, 1853
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Percopsiformes
- Family
- Amblyopsidae
- Genus
- Chologaster
- 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
- orderPercopsiformes
- familyAmblyopsidae Bonaparte, 1845
- genusChologaster Agassiz, 1853
- speciesChologaster cornuta Agassiz, 1853
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 |
|---|---|
| Chologaster cornutus Agassiz, 1853 Agassiz, 1853 | 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.
- Agassiz, L. (1853). Recent researches of Prof. Agassiz. [Extract from letter to J. D. Dana dated Cambridge, June 9, 1853.]. American Journal of Science and Arts (Series 2), v. 16 (no. 46): 134–136. 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:69YGQ. Classification follows source parent identifiers. English common names may vary by region.