ZOOTAXA, sa.3257, ss.56-65, 2012 (SCI-Expanded)
Gobio sakaryaensis, a new species from the Tozman and the Porsuk streams of the Sakarya River drainage (northwestern Anatolia, Black Sea basin), is described. The species is distinguished from other gudgeons by a combination of the following characters: breast completely scaled, scales approximately extending to isthmus; head length 27.2-30.0 % SL; 39-42 lateral line scales; 4-6 scales between anus and anal-fin origin; 6-8 scales between posterior extremity of pelvic-fin bases and anus. A key is provided for Gobio and Romanogobio species recorded from Turkey.