Dace

Dace (Leuciscus leuciscus) — fish of the carp family. In this fish is bluish-gray back, silver-white belly, fins yellowish. Body moderately elongate, slightly compressed laterally. Mouth small. Pharyngeal teeth double row. The dorsal fin is truncated. The tail fin is relatively long. Scales of medium size.
Is a typical river fish in floodplain ponds and lakes is an exception. In Belarus, dwells in all rivers in a small amount goes into some good flow, lakes with clear water.