Oxynoemacheilus bergi (Gratzianov, 1907)
Agstafa loach
Taxonomy & Nomenclature
Synonym/s: Nemacheilus bergi Gratzianov, 1907
Conservation Status
Globally Rediscovered (Çiçek et al., 2018 fide Freyhof et al., 2025:490)
Distribution & Habitat
Agstafa tributary, Azerbaijan
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Gratzianov, V. I. (1907). Opyt' obzora ryby Rossiskoi Imperii v' sistematicheskom' i geograficescom' otnoshenii. [Versuch einer Übersicht derFische des Russischen Reiches in systematischer und geographischer Hinsicht.] [A synoptic essay of the fishes of the Russian Empire.]. Trudy Otdela Ichtiologii Imperatorskago Russkago Obshchestva Akklimatizacii Zivotnych' i Rastenii. v. 4: i-xxx + 1-567. [In Russian, German subtitle. Author also seen as Gratzianow or Gratsianov.]
Other references:
Çiçek, E., Eagderi, S. and Sungur, S. (2018). Oxynoemacheilus veyseli, a new nemacheilid species from the upper Aras River drainage of Turkey (Teleostei: Nemacheilidae). Iranian Journal of Ichthyology 5: 232-242. https://doi.org/10.22034/iji.v5i3.302
Freyhof, J., Kaya, C., Epitashvili, G. and Geiger, M. F. (2021). Oxynoemacheilus phasicus, a new nemacheilid loach from the eastern Black Sea basin with some remarks on other Caucasian Oxynoemacheilus (Teleostei: Nemacheilidae). Zootaxa 4952(1): 135-151. https://doi.org/10.11646/zootaxa.4952.1.8
Freyhof, Jörg, Yoğurtçuoğlu, Baran, Jouladeh-Roudbar, Arash and Kaya, Cüneyt. (2025). Handbook of Freshwater Fishes of West Asia. Berlin & Boston: De Gruyter. https://doi.org/10.1515/9783111677811 [p. 490]