The Saimaa ringed seal is a freshwater seal species found only in Lake Saimaa in Finland. It is known for its distinctive round face and spotted gray fur. This seal is adapted to living in a lake environment, where it primarily feeds on fish and invertebrates. With a population of around 400 individuals, the Saimaa ringed seal is considered critically endangered. Conservation efforts are in place to protect its habitat and reduce threats from fishing and boating activities. The species is an important part of the local ecosystem and cultural heritage in the region.