Petroleuciscus smyrnaeus (Boulenger, 1896)

Freyhof, JÖrg, Yoğurtçuoğlu, Baran, Jouladeh-Roudbar, Arash & Kaya, Cüneyt, 2025, Handbook of Freshwater Fishes of West Asia, De Gruyter : 356

Petroleuciscus smyrnaeus

Common name. Smyrna chub.

Diagnosis. Distinguished from other species of Petroleuciscus in West Asia by: ○ 7½ branched dorsal rays / ○ usually 8½ branched anal rays / ○ iris whitish / ○ 6 scales between lateral line and dorsal origin / ○ 32–35 total lateral line scales / ○ posterior margin of anal straight or slightly concave / ○ black pigments along free margin of each flank scale/ ○ pigments absent or very few orange pigments on anal rays in life / ○ body depth at dorsal origin 24–27 % SL / ○ head width at posterior eye margin 14–16 % SL / ○ eye diameter approximately equal to snout length. Size up to 100 mm SL.

Distribution. Türkiye: Bakırçay to Gediz drainages. Also, on Lesbos Island ( Greece).

Habitat. Slow-flowing to standing water of rivers, reservoirs, and larger streams, often associated with aquatic vegetation.

Biology. No data.

posterior eye margin 16–19 % SL / ○ eye diameter smaller than snout length. Size up to 95 mm SL.

Distribution. Türkiye: Büyük and Küçük Menderes, Sarıçay ( Muğla) and Tahtalı drainages. Locally introduced (Acıgöl).

Habitat. Slow-flowing to standing water of rivers, reservoirs, and larger streams, often associated with aquatic vegetation.

Biology. No data.

Conservation status. LC.

Further reading. Turan et al. 2018d (description); Kaya et al. 2024b (distribution).

Remarks. Ladigesocypris mermere from Lake Marmara in Gediz drainage is a synonym.

Conservation status. LC.

Further reading. Bogutskaya 1996 (description); Bogutskaya 2002 (systematics); Stoumboudi et al. 2006 (Lesbos); Kottelat & Freyhof 2007 (biology, distribution); Turan et al. 2018d (diagnosis); İlhan et al. 2020 (distribution).