It is a small toothed whale that lives in the Arctic region. Known for its male specific long and straight teeth (often referred to as "horns"), which are actually a front tooth on its left upper jaw. The body length is usually between 3 and 5 meters, and the weight can reach 1000 kilograms. Mainly preys on fish and squid, sometimes also preys on other marine mammals. Widely distributed, found in cold waters from the North Atlantic to the North Pacific. It is a social animal that often forms groups of tens to hundreds of individuals. This whale not only has a unique appearance, but also has interesting behavioral habits, such as sometimes jumping on the sea surface, demonstrating amazing flexibility.