Alburnus filippii Common name. Kura bleak. Diagnosis. Distinguished from other species of Alburnus in Caspian and Lake Urmia basins by: ● usually 7½ branched dorsal ray / ○ 48–61+3 lateral line scales / ○ usually 10–12½ branched anal rays / ○ 12–21 gill rakers / ○ anal origin slightly behind dorsal base / ○ a bold midlateral stripe / ○ ventral keel entirely naked or naked part extends more than 50 % of distance between pelvic origin and anus, rarely completely covered by scales. Size up to 125 mm SL. Distribution. Caspian basin: Kura and Aras, east to Sefid, introduced to Chahnime lakes in Sistan basin, at altitudes up to 2000 m. Habitat. All types of streams, lakes, and rivers except very cold mountain streams and brackish lagoons. Biology. Life span is about 5 years, with maturity at 1 year for males and 2 years for females. Spawns May–June into July in higher altitudes. Conservation status. LC. Further reading. Berg 1949b (distribution, morphology); Bektaş et al. 2020 (phylogeny); Kaya et al. 2020a (distribution); Coad 2021a (biology, morphology).

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