Published November 12, 2025
| Version v1
Taxonomic treatment
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Oxynoemacheilus persa
Authors/Creators
Description
Oxynoemacheilus persa
Common name. Persian loach.
Diagnosis. Distinguished from Oxynoemacheilus tongiorgii, it is only other congeneric in Iranian Kor drainages by: ● caudal deeply emarginate / ● no dorsal crest on caudal peduncle. Size up to 78 mm SL.
Distribution. Iran: Kor basin, Helleh, and Mond drainages.
Habitat. Moderately fast-flowing waters in springs, streams, and rivers with gravel substrate.
Biology. Spawns May and June.
Conservation status. VU; appears to be declining within its small range.
Remarks. Oxynoemacheilus farsicus is a synonym.
Further reading. Nalbant & Bianco 1998 (Oxynoemacheilus farsicus); Mirghiyasi et al. 2016 (spawning time); Esmaeili et al. 2019 (phylogeography).
Notes
Published as part of Freyhof, Jörg, Yoğurtçuoğlu, Baran, Jouladeh-Roudbar, Arash & Kaya, Cüneyt, 2025, Handbook of Freshwater Fishes of West Asia, GmbH, Berlin / Boston :De Gruyter on page 528, DOI: 10.1515/9783111677811, http://zenodo.org/record/17881367
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Linked records
Additional details
Identifiers
Biodiversity
- Scientific name authorship
- Heckel
- Kingdom
- Animalia
- Phylum
- Chordata
- Order
- Cypriniformes
- Family
- Nemacheilidae
- Genus
- Oxynoemacheilus
- Species
- persa
- Taxon rank
- species
- Taxonomic concept label
- Oxynoemacheilus persa (Heckel, 1847) sec. Freyhof, Yoğurtçuoğlu, Jouladeh-Roudbar & Kaya, 2025
References
- Nalbant, T. T. & P. G. Bianco. 1998. The loaches of Iran and adjacent regions with description of six new species (Cobitoidea). Italian Journal of Zoology 65 (Suppl.): 109-123. https://doi.org/10.1080/11250009809386803
- Mirghiyasi, S., H. R. Esmaeili & M. Nokhbatolfoghahai. 2016. Morphohistological characteristics of gonads and reproductive index in an endemic fish species, Oxynoemacheilus persa (Heckel, 1847) (Teleostei: Nemacheilidae) from Kor River basin, Iran. International Journal of Aquatic Biology 4: 31-42. https://doi.org/10.22034/ijab.v4i1.120
- Esmaeili, H. R., G. Sayyadzadeh, F. Zarei, S. Khafaei & B. W. Coad. 2019. Phylogeographic pattern and population structure of the Persian stone loach, Oxynoemacheilus persa (Heckel 1847) (family: Nemacheilidae) in southern Iran with implications for conservation. Environmental Biology of Fishes 103: 77-88. https://doi.org/10.1007/s10641-019-00934-y