True seals

Ringed seals are the smallest of all species.

An excerpt from the article 18 facts about True seals
They inhabit the polar zones in the Arctic Sea, the coasts of Greenland, and Spitsbergen. An isolated population of 8,000 can also be found in the Baltic Sea. The species is under protection in Poland. Ringed seals reach 1.3 meters in length with a weight not exceeding 110 kilograms.