(Romanogobio uranoscopus)
Romanogobio uranoscopus, alternatively known as the Danubian longbarbel gudgeon, Danubian gudgeon, Danube gudgeon or the steingressling, is a European species of freshwater cyprinid fish. It can be found in Austria, Bulgaria, Croatia, Czech Republic, Germany, Hungary, Italy, Romania, Serbia and Montenegro, Slovakia, Slovenia and Ukraine.