Don gudgeon
The Don gudgeon is a species of gudgeon, a small freshwater fish in the family Gobionidae. It is widespread in Europe in the Don River system in Russia and Ukraine. It is a freshwater demersal fish, up to 10 cm long.
The Don gudgeon is a species of gudgeon, a small freshwater fish in the family Gobionidae. It is widespread in Europe in the Don River system in Russia and Ukraine. It is a freshwater demersal fish, up to 10 cm long.