Northeast Atlantic: North Sea and Baltic south to Morocco; also the Mediterranean, Adriatic and Black seas.
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Berg, L.S. 1962 Freshwater fishes of the U.S.S.R. and adjacent countries. volume 1, 4th edition. Israel Program for Scientific Translations Ltd, Jerusalem. (Russian version published 1948). (Ref. 593)
http://www.fishbase.org/references/FBRefSummary.php?id=593&speccode=4604
