Gobio sakaryaensis

Common name. Sakarya gudgeon.

Diagnosis. Distinguished from other species of Gobio in Anatolia by: ○ 39–42 total lateral-line scales / ○ chest completely scaled, scales extending forward to isthmus / ○ head length 27–30 % SL / ○ pectoral reaching 3–4 scales in front of pelvic origin in mature male / ○ 6–8 scales between posterior extremity of pelvic base and anus / ○ interorbital distance 1.4–1.6 times in eye diameter / ○ 6–7 scale rows between dorsal origin and lateral line / ○ pelvic reaching behind anus in female / ○ head profile behind nostrils straight or slightly convex / ○ snout rounded, distinctly concave anterior to nostril. Size up to 120 mm SL.

Distribution . Türkiye: Sakarya drainage.

Habitat. Small to medium-sized lowland and foothill streams with moderately fast-flowing water, sand, and gravel bottoms, and pool-riffle microhabitats.

Biology. No data.

Conservation status. LC.

Further reading. Turan et al. 2012a (description).