| Citation | 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 Berg, L.S., 1962 |
| Page | 155-156 |
| Named Used as Valid | Clupea harengus membras |
| Comment | Common names; Generally small in size with a low vertebral count. May sometimes be encountered in purely fresh water. Attains sexual maturity at the age of 2 to 3 years. Spawns on hard bottom, mostly at depths of 7 to 10 m. |
| Locality | |
| Distribution | North Atlantic: eastern part of the Baltic Sea east of the line passing from the southern extremity of Oland Island to the Bay of Danzig, as well as the Gulfs of Finland and Bothnia. |
| Quote | max length, 24.2 cm TL male/unsexed; common length 13.2 cm TL male/unsexed; 14.3 TL female; |