Chondrostoma oxyrhynchum Kessler, 1877
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 Terek nase (Chondrostoma oxyrhynchum) is a species of freshwater ray-finned fish belonging to the family Leuciscidae. It is distributed in rivers of the western Caspian Sea basin, in Azerbaijan and Russia. It prefers fast-flowing waters in the foothill and mountain ranges, with rocky or gravel bottoms.
Wikipedia contributors, Terek nase; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T19:19:40.695382+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Chondrostoma oxyrhynchum Kessler, 1877
- Name authority
- Kessler, 1877
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Cypriniformes
- Family
- Cyprinidae
- Genus
- Chondrostoma
- 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
- genusChondrostoma Agassiz, 1832
- speciesChondrostoma oxyrhynchum Kessler, 1877
Close classified relatives
These entries share the source’s genus, Chondrostoma. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Chondrostoma colchicum Derjugin, 1899 | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Chondrostoma esmaeilii Eagderi, Jouladeh-Roudbar, Birecikligil, Çiçek & Coad, 2017 | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Chondrostoma orientale Bianco & Bănărescu, 1982 | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| common naseChondrostoma nasus (Linnaeus, 1758) | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Chondrostoma prespense Karaman, 1924 | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Chondrostoma scodrense Elvira, 1987 | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Chondrostoma vardarense Karaman, 1928 | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Chondrostoma cyri Kessler, 1877 | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Chondrostoma kinzelbachi Krupp, 1985 | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Chondrostoma fahirae (Ladiges, 1960) | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Chondrostoma holmwoodii (Boulenger, 1896) | CyprinidaeChordata | Accepted speciesExtinction status not supplied |
| Chondrostoma kubanicum Berg, 1914 | 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 |
|---|---|
| Chondrostoma oxyrhynchum oxyrhynchum Kessler, 1877 Kessler, 1877 | synonym |
| Chondrostoma schmidti Berg, 1910 Berg, 1910 | synonym |
| Chondrostoma cyri leptosoma Berg, 1914 Berg, 1914 | synonym |
| Chondrostoma leptosoma Berg, 1914 Berg, 1914 | synonym |
| Alburnus alasanicus Kamensky, 1901 Kamensky, 1901 | 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.
- Kessler, K. F. (1877). The Aralo-Caspian Expedition. IV. Fishes of the Aralo-Caspio-Pontine ichthyological region. Fishes of the Aralo-Caspio-Pontine Ichthyological Region. St. Petersburg, i–xxviii + 1–360, Pls. 1–8. https://doi.org/10.5962/bhl.title.159366 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:69ZDP. Classification follows source parent identifiers. English common names may vary by region.