The largest animal in the world. The blue whale is considered to be the largest animal ever found in the world. The largest blue whale ever found weighs about 200 tons. His length is about 29.5m. They do not breathe through the gills like other fish. Instead, they come out of the water and breathe. Their favorite food is krill fish. Whales eat about 8000-4000 kg of fish per day. He can be described as the loudest animal in the animal kingdom. His voice stretches for about 800km. There are blue and gray in color. Their average lifespan is about 80 years. The oldest animal found is about 110 years old.
