Gobio intermedius

Common name. Eber gudgeon.

Diagnosis. Distinguished from other species of Gobio in Anatolia by: ○ 42–49 total lateral-line scales / ○ chest completely scaled, scales extending forward to isthmus / ○ head length 27–29 % SL / ○ distance between anus and anal origin 5–7 % SL / ○ caudal-peduncle length 1.7–2.2 times in caudal-peduncle depth / ○ 8–10 scales between posterior extremity of pelvic base and anus / ○ interorbital distance approximately 1.4–1.6 times in eye diameter / ○ 8–9 scale rows between dorsal origin and lateral line / ○ caudal length 12–17 % SL anal length 20–24 % SL. Size up to 127 mm SL.

Distribution. Türkiye: Lakes Eber and Akşehir basins.

Habitat. Streams with moderate current on gravel to sandy bottoms. Also found in lakes.

Biology. No data.

Conservation status. EN; Lakes Akşehir and Eber dried up. Both occasionally have water, but it is highly polluted, and water level is less than 1m in summer and almost anoxic.Fish are now largely confined to a few headwaters of Akarçay, which are heavily polluted, dammed and seasonally dry.

Further reading. Battalgil 1944 (description); Naseka et al. 2006 (diagnosis).