List of diseases for
Show all disease photos for this species
Europe: Caspian Sea from where adults ascend Volga (only few fish enter Ural and Terek) to spawn. Earlier reached upriver up to Kama and Oka system. Migration now blocked by Volgograd dam. May have formed land-lock populations in Volga reservoirs.
Caligus disease, Parasitic infestations (protozoa, worms, etc.)
Mazocraes disease, Parasitic infestations (protozoa, worms, etc.)
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