Published November 12, 2025 | Version v1
Taxonomic treatment Open

Oxynoemacheilus seyhanicola

Description

Oxynoemacheilus seyhanicola

Common name. Adana loach.

Diagnosis. Distinguished from other species of Oxynoemacheilus in Cilicia and northern Levant by: ● caudal pattern indistinct, almost or completely absent / ○ bold black band or blotches on caudal base / ○ lateral line complete, terminating at anterior part of hypural complex / ○ caudal deeply emarginate / ○ caudal peduncle without dorsal crest / ○ suborbital groove present in male / ○ caudal–peduncle depth 1.4–2.2 in its length / ○ pre-dorsal length 51–56 % SL / ○ prepelvic length 50–57 % SL / ○ distance between pectoral-and pelvic origin 27–32 % SL. Size up to 56 mm SL.

Distribution. Türkiye: Seyhan and Ceyhan drainages.

Habitat. Moderately fast-flowing water in streams and rivers with gravel substrate.

Biology. No data.

Conservation status. LC.

Further reading. Erk’akan et al. 2007 (description); Freyhof et al. 2021a (taxonomy, distribution).

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 531, DOI: 10.1515/9783111677811, http://zenodo.org/record/17881367

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Additional details

References

  • Erk'akan, F., T. T. Nalbant & S. C. Ozeren. 2007. Seven new species of Barbatula, three new species of Schistura and a new species of Seminemacheilus (Ostariophysi: Balitoridae: Nemacheilinae) from Turkey. Journal of Fisheries International 2: 69-85. https://doi.org/jfish.2007.69.85
  • Freyhof, J., B. Yogurtcuoglu & C. Kaya. 2021 a. Oxynoemacheilus sarus, a new nemacheilid loach from the lower Ceyhan and Seyhan in southern Anatolia (Teleostei: Nemacheilidae). Zootaxa 4964: 123-139. http://dx.doi.org/10.11646/zootaxa.4964.1