On this day, 66 years ago, May 15, 1959 (April 8, 1959, the "king" of beasts-the blue whale was on the verge of extinction. The "King" of Beasts-Blue Whale On May 15, 1959, the blue whale was one of the largest mammals known to people. Scientists warned today that if restrictions on the world's whaling industry are not imposed, blue whales will be extinct in five years. In fact, the total number of blue whales has dropped to such a low level that it is difficult for individual blue whales to find a mate. Records from the whaling industry show that the blue whale population is declining. From 1931 to 1932, blue whale catches accounted for 82.1% of the total catches. By 1957, it accounted for only 4.6%. Scientists recommend that strict measures be taken immediately to control the killing of blue whales at a meeting of the International Whaling Commission in London next month. The blue whale is the largest animal in the world known to humans, with a bluish-gray color all over its body. The largest blue whale ever caught was in 1904, near the Falkland Islands in the Atlantic Ocean. The blue whale is 33.5 meters long and weighs 195 tons, equivalent to the weight of 35 elephants. Its tongue weighs about 3 tons, its heart weighs 700 kilograms, its lungs weigh 1500 kilograms, the total weight of blood is about 8 to 9 tons, and its intestines are half a mile long. Such a large body can only live in the vast ocean. The blue whale is the leading giant beast on earth, and can be called the "king" among beasts in terms of size. The blue whale is still the only powerful man. A large blue whale has a power of up to 1700 horsepower, which can rival the power of a locomotive. It can drag an 800-horsepower aircraft and can still run for several hours at speeds of 4 to 7 nautical miles per hour even when the aircraft is reversed. Blue whales also swim very fast, reaching 15 nautical miles per hour. The blue whale has a flat and wide horizontal tail fin, which is the driving force for its progress and the undulating elevator. The two flippers, which evolved from the forelimbs, maintain the balance of the body and assist in changing directions, making its movements agile and smooth. Photo caption: The Great Blue Whale Exhibition landed in Shanghai Blue Whale carcasses In 2009, the giant blue whale carcasses were washed up on the coast of California, and students were inspecting the carcasses of blue whales. In 2009, students inspect the body of a giant blue whale that washed up on the coast of California.