Known from the Pasvik River to the Ob, as well as in the Amur and in the rivers of the Maritime Territory, Sakhalin, and Kamchatka (Ref. 26334). Eastern area in Mainland Russia (Ref. 45563). White Sea Basin, Barents Sea Basin to the Pechora River, Arctic Ocean Basin and its rivers from the Ob’ (Kara Sea Basin) to the Kolyma (East Siberian Sea Basin), Anadyr territory, Utkholok River and its tributary Kolkavayam River (Kamchatka Peninsula), Iturup and Sakhalin islands, Amur and Suchan rivers (Ref. 89241). Into the 20th century, this was being consumed by humans (Ref. 117245). Also Ref. 27547, 27681, 50610, 55804, 43939, 96339. Also Ref. 37812, as Lampetra japonica. EurRus