Beluga, or White Whale, a toothed whale of the Arctic, related to the narwhal. The beluga reaches a length of 11 to 18 feet (3.4 to 5.5 m). There is no fin on the back. Its diet consists of fish and squids.

Which Toothed Whales Are All White?

Belugas are white when they are fully grown. The name beluga comes from a Russian word that means “white.” Because of its color, the beluga is sometimes called the white whale.

Belugas are also known as sea canaries. That’s because of the chirping sounds they make. Belugas live in the Arctic, where they search for prey such as fish, squid, crabs, and shrimp. Because they live in such a cold climate, belugas have extra thick layers of blubber to keep them warm.

Belugas are closely related to narwhals. But there is one very obvious difference. A beluga has many more teeth—from 32 to 40.

The beluga is Delphinapterus leucas of the family Monodontidae.