Ladoga seal Ladoga seal The Ladoga ringed seal (; Pusa hispida ladogensis), is a freshwater subspecies of the ringed seal ("Pusa hispida") which are found entirely in Lake Ladoga in northwestern Russia. The subspecies evolved during the last ice age, about 11,000 years ago. As the glaciers retreated and water levels changed, the Baltic ringed seal (including Ladoga seals) was trapped in freshwater lakes and separated from the Arctic ringed seal. 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. The adult Ladoga seal grows to
Finnish Ladoga Naval Detachment After the evacuations the light naval assets successfully protected the flank of the land front and repulsed Soviet attempts to penetrate to the northern part of the lake Ladoga until mid July when Soviet naval activity on the lake started to decrease. Majority of the ships and boats used by the Finns were evacuated overland to Finland after the Moscow Armistice. Listing (not necessarily exhaustive) of wartime vessels and their armament Finnish Ladoga Naval Detachment Finnish Ladoga Naval Detachment () was a Finnish naval unit stationed on Lake Ladoga between 1920-1940 and 1941-1944. The Treaty of Tartu was signed by