ayukensis, Phoxinus Artaev [O. A.], Turbanov [I. S.], Bolotovskiy [A. A.], Gandlin [A. A.] & Levin [B. A.] 2025:1141, Figs. 2-3, 8 [Zoosystematics and Evolution v. 101 (no. 3); ref. 42222] Ayuk (= Burlachenkova Shchel, Peshchernaya Shchel, Semenovskaya Shchel) stream, tributary of Chepsi River, upstream Fanagoriyskoe Vil., Kuban River drainage, Krasnodar Krai, Russia, 44.4756°N, 39.0196°E. Holotype: IBIW FS_501. Paratypes: IBIW FS_502 (4), ZIN 57075 (3), ZMMU P-24653 (3). Plus additional non-type material. •Valid as Phoxinus ayukensis Artaev, Turbanov, Bolotovskiy, Gandlin & Levin 2025. Current status: Valid as Phoxinus ayukensis Artaev, Turbanov, Bolotovskiy, Gandlin & Levin 2025. Leuciscidae: Phoxininae. Distribution: Southeastern Europe: Ayuk waterfalls and above them, Chepsi River drainage, Kuban River basin, northwestern Caucasus, Russia. Habitat: freshwater.