Also known as the Black Right Whale or North Right Whale, it belongs to the subfamily of Whales, the family of Right Whales, and is one of the largest surviving whale species. Known for its massive size, lack of dorsal fins, and rough skin on the head. The body length can reach 15 to 18 meters, and the weight can reach tens of tons. They mainly live in cold seas such as the North Atlantic, North Pacific, and the sub Antarctic regions of the Southern Hemisphere. Feed on small crustaceans such as krill and small fish, and consume food through filter feeding. Social animals typically migrate and forage in groups. In winter, they migrate to warm seas to breed and give birth, while in summer they go to cold polar seas to forage