Oxynoemacheilus tongiorgii Common name. Kor loach. Diagnosis. Distinguished from Oxynoemacheilus persa, the only other congeneric in Iranian Kor and Mond drainages by: ● caudal slightly emarginate or truncate / ● shallow dorsal crest on caudal peduncle. Size up to 62 mm SL. Distribution. Iran: Kor drainage. Habitat. Moderately fast-flowing to standing waters of springs and streams with muddy bottoms. Biology. No data. Conservation status. EN; appears to be declining within its very small range. Remarks. Previously thought to be a species of Seminemacheilus, but molecular data show that it belongs to Oxynoemacheilus. Originally described from Kol drainage, which is a mistake. Further reading. Nalbant & Bianco 1998 (description); Freyhof et al. 2011 (generic position).

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