The blue whale (Balaenoptera musculus) is the largest living animal on Earth. It can grow up to 30 meters (98 feet) long and weigh up to 180 metric tons (400,000 pounds). The great white shark (Carcharodon carcharias) is a large predatory fish that can grow up to 6 meters (20 feet) long and weigh up to 2,268 kilograms (5,000 pounds).