Blue whale
Blue whales are the largest known fishes in the world. There were so many thousands of blue whales living in the Indian ocean as well as the Pacific. But their community is slowly becoming extinct and in the present days there are hardly a few thousands. Whale hunters hunt blue whale for the whale oil in specific. It is considered to be the loudest animal on the earth. The blue whale whistles and the sound reaches up to 188 decibels. The tongue of a blue whale is so large that around fifty people could stand on it. It’s calf drinks around 130 gallons of milk in a single day. The heart of the blue whale is as big as a small car.
