Salmo tigridis, Turan, Kottelat & Bektas, 2011

Freyhof, JÖrg, Yoğurtçuoğlu, Baran, Jouladeh-Roudbar, Arash & Kaya, Cüneyt, 2025, Handbook of Freshwater Fishes of West Asia, De Gruyter : 648-649

Salmo tigridis

Common name. Tigris trout.

Diagnosis. Distinguished from other species of Salmo in Euphrates and Tigris by: ● flank greenish in life / ○ few black spots on flank, smaller than pupil, ocellated / ○ few red spots on flank, usually in 1–3 along lateral midline, smaller than pupil, usually irregularly shaped and ocellated / ● adipose without red or black spots / ○ maxilla short, reaching posterior eye-margin or slightly beyond in individuals larger than 200 mm SL / ○ head 1.0–1.1 times in body depth at dorsal origin in both sexes / ○ 108–116 lateral-line scales counted until end of hypural complex / ● 32–35 scale rows between dorsal origin and lateral line / ● 19–20 scale rows between adipose origin and lateral line / ○ 22–26 scale rows between anal origin and lateral line / ○ 17–19 gill rakers. Size up to 400 mm SL.

Distribution. Türkiye: Çatak and Müküs in upper Tigris drainage south of Lake Van.

Habitat. Headwater streams with cold, clear water, moderate current, gravel, and pebble bottom.

Habitat. Streams with cold, clear, fast-flowing water, and a substrate of rocks, stones, and pebbles.

Biology. Spawns mid-September–mid-October. Resident and not undertaking long spawning migrations. Smallest spawning female observed about 110 mm SL. Smallest male with mature gonads about 90 mm SL, usually 140–170 mm SL. Do not appear to feed during winter.

Conservation status. LC.

Remarks. See discussion in chapter about S. labrax .

Further reading. Turan et al. 2010 (description); Ninua et al. 2018 (Cytochrome b data); Turan et al. 2020 (Cytochrome b phylogeny); Hashemzadeh Segherloo et al. 2021 (genomics).

Biology. No data.

Conservation status. EN; appears to be declining within its very small range.

Further reading. Turan et al. 2011 (description); Turan et al. 2020 (Cytochrome b phylogeny).

Salmo trutta ; Sapur, Lake Van basin, Türkiye; male, 258 mm SL.