Balaenoptera bonaerensis can be found in marine waters from polar to tropical regions, generally within 160 km of the edge of pack ice. While mostly found at the ice edge, B. bonaerensis can also be found within the pack ice and in polynyas. Association with pack ice is especially pronounced during winter.
Habitat Regions: temperate ; tropical ; polar ; saltwater or marine
Aquatic Biomes: pelagic ; coastal