country/area: north atlantic, north pacific, southern hemisphere, northern indian ocean
2. North pacific right whale
weight: 125 tonnes
country/area: bering sea, gulf of alaska, northwestern pacific, japan
3. fin whale
weight: 120 tonnes
country/area: north atlantic, mediterranean sea, north pacific, south pacific, northern indian ocean, bay of bengal, sri lanka, india, malaysia, antarctica
4. southern right whale
weight: 110 tonnes
country/area: south africa, western africa, eastern africa, nid-south atlantic, brazil, argentina, uruguay, chile, peru, australia, new zealand, indian ocean