Scientist used to think that the whale shark laid their eggs.whale sharks give birth to living babies.The female whale shark incubate their eggs inside of them instead of the outside.Over than 3 hundred babies also known as pups. They grow up to 16 to 24 inches big. Know no has ever observed a whale shark giving birth to their babies. Inside the female are hundreds of eggs but only a couple turn into a whale shark.The female whale sharks gives birth to a average litter of 12 baby whale sharks pups that are close to 60 cm big. The female whale shark gives birth in open ocean instead of close to shore.The young whale sharks become adults at the age of 30 years old.know one knows how long they will live.Scientist think that the whale shark will live for a hundreds years.