Vilkitsky Island (East Siberian Sea) Russian Arctic Ocean Hydrographic Expedition led by Boris Vilkitsky on the ships "Taymyr" and "Vaygach" on behalf of the Russian Hydrographic Service in order to chart the last blank areas of Russian maps. Vilkitsky Island (East Siberian Sea) Vilkitsky Island (; "Ostrov Vilkitskogo") is the southernmost island of the De Long group in the northern part of the East Siberian Sea. Administratively Vilkitsky Island belongs to the Sakha Republic administrative division of the Russian Federation. The island is named after Russian hydrographer Boris Vilkitsky. The island is outside of the limits of permanent ice and is unglaciated. At barely Vilkitsky
Siberian sturgeon roe. Because the Lena population of "A. baerii" completes its lifecycle in fresh water and sexually matures relatively early, it is the most common original broodstock for captive-bred specimens. The main producer of Siberian sturgeon caviar is France, while the largest meat producers are Russia and China. Siberian sturgeon The Siberian sturgeon ("Acipenser baerii") is a species of sturgeon in the Acipenseridae family. It is most present in all of the major Siberian river basins that drain northward into the Kara, Laptev and East Siberian Seas, including the Ob, Yenisei (which drains Lake Baikal via the Angara River) Lena, and