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The Baikal seal, Lake Baikal seal or nerpa (Pusa sibirica) is a species of earless seal endemic to Lake Baikal in Siberia, Russia. Like the Caspian seal , it is related to the Arctic ringed seal . The Baikal seal is one of the smallest true seals and the only exclusively freshwater pinniped species. [ 2 ]
While the Baikal Seal is the only unique species of pinniped to live in a purely freshwater environment for the duration of their lives, various species of typically saltwater seals may occasionally frequent freshwater environments or include isolated populations in near coastal freshwater lakes. A Ladoga seal laying on ice in Lake Ladoga. Two ...
Together with certain abyssocottid sculpins, they are the deepest living freshwater fish in the world, occurring near the bottom of Lake Baikal. [47] The golomyankas are the primary prey of the Baikal seal and represent the largest fish biomass in the lake. [48] Beyond members of Cottoidea, there are few endemic fish species in the lake basin ...
This pinniped was isolated in freshwater lakes and separated from the Arctic ringed seal as a result of the isostatic rebound of the region following the end of the Weichselian Glaciation. [2] It is related to the even smaller population of Saimaa ringed seals in Lake Saimaa, a lake that flows into Ladoga through the Vuoksi River.
A typical diet for Caspian seals found in the northern Caspian sea consists of crustaceans and various fish species, such as Clupeonella engrauliformis, C. grimmi, C. caspia, Gobiidae, Rutilus caspicus, Atherina boyeri, and Sander lucioperca. Caspian seal adults eat about 2–3 kg (4–7 lb) of fish a day and almost a metric ton of fish per year.
The Baikal Nature Reserve is part of the World Network of Biosphere Reserves (also see List of biosphere reserves in the Russian Federation). The reserve is also a part of the Lake Baikal World Heritage Site. The Kabansky Nature Zakaznik, across 12,100 ha (30,000 acres), was transferred under the jurisdiction of the Baikal Nature Reserve in 1985.
Ukrainian intelligence wanted confirmation last autumn that officers of Russia's Federal Security Service (FSB) overseeing the occupation of Kherson were staying in a small hotel on a back street ...
Lake Ladoga [a] is a freshwater lake located in the Republic of Karelia and Leningrad Oblast in northwestern Russia, in the vicinity of Saint Petersburg.. It is the largest lake located entirely in Europe, the second largest lake in Russia after Lake Baikal, and the 14th largest freshwater lake by area in the world.