Oxynoemacheilus merga (Krynicki, 1840)
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
Oxynoemacheilus merga, Krynicki's loach, is a species of stone loach from the genus Oxynoemacheilus. This species reaches a length of 10 cm (3.9 in). It is found in the western drainage basin of the Caspian Sea in eastern Europe in the upper mountain streams of the drainage systems of the Kuma, Terek, Sulak, Shura-ozen and Samur where it is abundant. The countries in which it occurs are Azerbaijan, Georgia and Russia.
Wikipedia contributors, Oxynoemacheilus merga; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T23:28:43.260016+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Oxynoemacheilus merga (Krynicki, 1840)
- Name authority
- (Krynicki, 1840)
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Cypriniformes
- Family
- Nemacheilidae
- Genus
- Oxynoemacheilus
- 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
- familyNemacheilidae Regan, 1911
- genusOxynoemacheilus Banarescu & Nalbant, 1966
- speciesOxynoemacheilus merga (Krynicki, 1840)
Close classified relatives
These entries share the source’s genus, Oxynoemacheilus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Oxynoemacheilus anatolicus Erk'akan, Özeren & Nalbant, 2008 | NemacheilidaeChordata | Accepted speciesExtinction status not supplied |
| Oxynoemacheilus angorae (Steindachner, 1897) | NemacheilidaeChordata | Accepted speciesExtinction status not supplied |
| Oxynoemacheilus argyrogramma (Heckel, 1847) | NemacheilidaeChordata | Accepted speciesExtinction status not supplied |
| Oxynoemacheilus atili Erk'akan, 2012 | NemacheilidaeChordata | Accepted speciesExtinction status not supplied |
| Oxynoemacheilus banarescui (Delmastro, 1982) | NemacheilidaeChordata | Accepted speciesExtinction status not supplied |
| Oxynoemacheilus bureschi (Drensky, 1928) | NemacheilidaeChordata | Accepted speciesExtinction status not supplied |
| Oxynoemacheilus chomanicus Kamangar, Prokofiev, Ghaderi & Nalbant, 2014 | NemacheilidaeChordata | Accepted speciesExtinction status not supplied |
| Oxynoemacheilus cinicus (Erk'Akan, Nalbant & Özeren, 2007) | NemacheilidaeChordata | Accepted speciesExtinction status not supplied |
| Oxynoemacheilus erdali (Erk'Akan, Nalbant & Özeren, 2007) | NemacheilidaeChordata | Accepted speciesExtinction status not supplied |
| Oxynoemacheilus frenatus (Heckel, 1843) | NemacheilidaeChordata | Accepted speciesExtinction status not supplied |
| Oxynoemacheilus galilaeus (Günther, 1864) | NemacheilidaeChordata | Accepted speciesExtinction status not supplied |
| Oxynoemacheilus germencicus (Erk'Akan, Nalbant & Özeren, 2007) | NemacheilidaeChordata | 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 |
|---|---|
| Nemacheilus merga (Krynicki, 1840) (Krynicki, 1840) | synonym |
| Nemachilus merga (Krynicki, 1840) (Krynicki, 1840) | synonym |
| Barbatula merga (Krynicki, 1840) (Krynicki, 1840) | synonym |
| Cobitis merga Krynicki, 1840 Krynicki, 1840 | 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=1022311 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:4BG8Q. Classification follows source parent identifiers. English common names may vary by region.