Glyptothorax kurdistanicus (Berg, 1931)

Freyhof, JÖrg, Yoğurtçuoğlu, Baran, Jouladeh-Roudbar, Arash & Kaya, Cüneyt, 2025, Handbook of Freshwater Fishes of West Asia, De Gruyter : 611

Glyptothorax kurdistanicus

Common name. Tigris torrent catfish.

Diagnosis. Distinguished from other species of Glyptothorax in West Asia by: ● thoracic adhesive apparatus 0.7–0.9 times longer than wide / ○ thoracic adhesive apparatus almost or completely situated on a horse-shoe shaped elevation, usually extending from isthmus to base of first or third branched pectoral ray / ○ anteromedial striae few, very short or absent / ○ striae not reaching onto pectoral base / ○ medial pit open, without striae / ○ dorsal and lateral head, back and flank with small round warts / ○ adipose short, its length 0.6–1.0 times larger than distance between base of last dorsal ray and adipose origin / ○ caudal-peduncle length 13–16 % SL / ○ caudal-peduncle 1.1–1.3 times in its length / ○ maxillary barbel 74–92 % HL / ○ inner mandibular barbel 31–36 % HL / ○ outer mandibular barbel 53–63 % HL / ○ 9–12 serrae on pectoral spine / ○ all fins with a distinct, distal yellow tip / ○ few black or dark-brown blotches on flank. Size up to 122 mm SL.

Distribution . Upper Tigris ( Türkiye) to Sirvan drainage ( Iran).

Habitat. Fast-flowing water in mountain streams, rapids, and riffles on rocky or gravelly bottoms.

Biology. Nocturnal, hiding under rocks during day. Feeds on benthic invertebrates.

Conservation status. LC.

Further reading. Berg 1931 (description); Freyhof et al. 2021c (description).

Figures

Glyptothorax kurdistanicus

Distribution