1 literature reference:

Author: Pavlov, P.I.
Year: 1980
Title: Fauna of Ukraine. Fishes. Tunicata (Ascidian, appendicularian), Acrania (Cephalochordata), Vertebrata (Cyclostomata; cartilaginous fishes, bony fishes- sturgeons; clupeids; anchois; salmonides; ombres; brochets; umbres).
Source: Kiev, Naukova Dumka Publishing House, 8(1) (in Ukrainian).