Genus Mirounga refers to a group of seals that are commonly known as elephant seals. They belong to the family of true seals (Phocidae) and are native to the coastal regions of the eastern Pacific and southern Indian Oceans. Synonyms for the word Genus Mirounga include southern elephant seals, northern elephant seals, sea elephants, and giant seals. These seals are distinguished by their large size, with males of some species reaching lengths of over 20 feet and weighing up to 8,800 pounds. Elephant seals are also known for their distinctive trunk-like nose, which they use to make loud, resonant calls during breeding season. With their impressive size and unique appearance, elephant seals are among the most fascinating marine mammals in the world.