The BELUGA whale is a small Arctic whale, also known as the white whale. It is one of the smallest species of whale, measuring up to 5 meters in length and weighing up to 1, 600 kilograms. The BELUGA whale is closely related to the sturgeon, which is a large fish found in rivers and lakes. The BELUGA whale is an important part of the Arctic ecosystem, feeding on fish, squid, and other small marine animals. It is also an important source of food for humans, and its oil is used in many products.