Mystus cyrusi, Esmaeili, Sayyadzadeh, Zarei, Eagderi & Mousavi-Sabet, 2022

Freyhof, JÖrg, Yoğurtçuoğlu, Baran, Jouladeh-Roudbar, Arash & Kaya, Cüneyt, 2025, Handbook of Freshwater Fishes of West Asia, De Gruyter : 589-590

Mystus cyrusi

Common name. Kol zugzug.

Diagnosis. Distinguished from other species of Mystus in West Asia by: ● maxillary barbel not reaching to or beyond pelvic origin / ● adipose base length 31–37 % SL, with a steep slope at its origin / ● head depth 17–22 % SL / ● caudal peduncle

depth 10–13 % SL / ● 12–14 gill rakers / ○ usually a wide, brown, mid-lateral stripe, followed by a wide silvery stripe above and below mid-lateral stripe, and a silvery line along lateral midline in life and preserved individuals / ○ eye situated at or slightly above, usually protruding dorsal head profile / ○ 14–22 serra on inner pectoral spine. Size up to 203 mm SL.

Open Access. © 2025 JÖrg Freyhof, Baran Yoğurtçuoğlu, Arash Jouladeh-Roudbar and Cüneyt Kaya, published by De Gruyter. the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

https://doi.org/10.1515/9783111677811-024

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Distribution. Iran: Shur, Qalatooyeh, and Golabi springs in Kol drainage.

Habitat. Springs and spring-fed streams.

Biology. No data.

Mystus misrai ; Orontes drainage, Türkiye; 120 mm SL.