Soldatov's gudgeon
The Soldatov's gudgeon is a species of gudgeon, a small freshwater ray-finned fish in the family Gobionidae. It is found in Asia in the Amur River drainage in Russia and China, on the Sakhalin Island, and in Lake Buir in Mongolia. It is a demersal fish, up to 12.0 cm long.
Named in honor of ichthyologist Vladimir Konstantinovich Soldatov, who collected type specimen.