The ocean connected to the Indian Ocean is the Southern Ocean. The Southern Ocean encircles the continent of Antarctica and is recognized as the fourth-largest ocean. It is distinct in its ecological characteristics and oceanic currents, specifically the Antarctic Circumpolar Current, which flows uninterrupted around Antarctica. The Southern Ocean plays a critical role in regulating global climate and supporting diverse marine ecosystems, including numerous species of fish, whales, and seals that thrive in its cold waters. It is recognized as a vital part of the world's oceanic system.