It is a marine mammal that lives in the Arctic and subarctic regions. Known for its snow-white skin and round body shape, it typically measures between 3 to 5 meters in length and can weigh up to 1.5 tons. Their heads are round and there is no obvious beak, which makes their facial expressions look very friendly and gentle. Having a highly developed sonar system that can detect the surrounding environment and search for food by emitting sound waves. Food mainly includes fish and crustaceans. Highly social, often active in groups, communicating through various sounds and body movements. The song of the beluga whale echoes in the ocean and is one of the most beautiful sounds in nature

Famous for its round body shape and smiling expression. Adult males can grow up to 3.5 to 5.5 meters in length and weigh 700 to 1600 kilograms, while females are smaller. Has gender dimorphism, with males having a larger body size than females. Has strong sociality, usually migrating, hunting, and interacting in groups. The calls are complex and varied, utilizing sound for echolocation, mating, and communication. Mainly distributed in Arctic and subarctic waters, feeding on fish and invertebrates. Excellent diving ability, able to dive to depths of 600 meters, even exceeding 1000 meters. The current threats include hunting, pollution, and climate change.