Gobio maeandricus

Gobio maeandricus View in CoL View Figure

Common name. Işıklı gudgeon.

Diagnosis. Distinguished from other species of Gobio in Anatolia by: ● 53–56 total lateral-line scales / ○ chest completely scaled, scales extending forward to, or almost to isthmus / ○ head length 27–29 % SL / ○ distance between anus and anal origin 7–8 % SL / ○ caudal-peduncle length 1.4–1.7 times in caudal-peduncle depth / ○ 10–12 scales between posterior extremity of pelvic base and anus / ○ 9–10 scale rows between dorsal origin and lateral line. Size up to 138 mm SL.

Distribution View Figure . Türkiye: Lake Işıklı basin in upper Büyük Menderes drainage and Karadirek near Sandıklı, an isolated basin that flows through underground to Lake Işıklı.

Habitat. Slow to moderate-flowing streams with sandy and gravelly bottoms, often with very dense aquatic vegetation.

Biology. No data.

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

Remarks. Extirpated Gobio populations from Lake Burdur basin may have belonged to this species.

Further reading. Naseka et al. 2006 (description); Güçlü et al. 2013 (distribution).