The Legend of sharks

Talked about why the sharks do not swim bladder, which is related to a legend: in a long time ago, God created the fish, the shark is just a small fish. One day, suddenly thought of God, the contribution of the fish, just as a reward for all the fish swim bladder. But the naughty little sharks are in play, until after the small sharks know that God had gone. Can only keep a small shark swim ah tour. Swim more strong. Years later, God came up inspections found that the shark was very surprised that he was very fair each fish it! Why is this the only shark? He asked why the shark, shark replied: "Because then my ancestors did not get your gift, so he kept swimming, swim stronger!"