White-Finned Gudgeon

White -finned gudgeon ( Romanogobio albipinnatus )

The white -finned gudgeon ( Romanogobio albipinnatus ) is a freshwater fish of the carp family (Cyprinidae ).

Features

The white -finned gudgeon has a typical elongated and slightly flattened Gründlingsgestalt and 8 to 10, up to 13 cm long. The head is relatively long, the mouth under constant. The large eyes have a diameter which is at least as large as their distance from each other. The barbels are long and extend to the posterior margin of the eyes. The scales are relatively large. The tail fins stem is short and high.

• Fins formula: Dorsal 3/7 ½, Anal 2-3/6 ½
• Dandruff formula: 39-43/4/14-16

The throat region is mostly scaleless.

The white -finned gudgeon is colored above the top and bottom dark brown or greenish limited sidelines with a dark spot row just above the lateral line, and below bright. The transparent, spotless dorsal and caudal fin of the white fin - gudgeon slightly from the gudgeon ( gobio Gobio ) must be distinguished.

Distribution and habitat

The circulation area covers Southeastern and Eastern Europe. The Weißflossengründling is there in the middle and lower reaches of rivers and streams at home. He prefers soothing waters with sandy bottom. Rivers where the fish are found Danube, Dniester, the upper reaches of the River Bug, Dnieper, Volga and Ural.

Way of life

The white -finned gudgeon is a small group sociable living nocturnal ground fish that feeds on small invertebrates, bottom-dwelling invertebrates, algae and diatoms. He spawns from May to June. Its biology is still poorly understood. Locally, he is at risk due to water pollution and river regulation.