IUCN: LC; Be (III); EUHD (II); RDBUkr: Неоцінені; RDBUkrCarp: NT
Value of species
Danube (from delta to Bavaria), Dnister and Dnipro (from delta to Kyiv) drainages.
Open sand and muddy bottom in backwaters, large rivers with moderate current.
Males reproduce for the first time at 1-2 years, females at 2-3. Migrates from river mainstreams to backwaters to spawn. Nocturnal, benthic, feeding on small invertebrates.