The great white shark ("Carcharodon carcharias") is a species of shark. It is the world's largest living predatory fish. Mature sharks may grow up to in length and in weight. There also have been a few reports of great white sharks measuring over . This shark reaches its sexual maturity around 15 years of age. The lifespan of a great white shark may be as long as 70 years or more. Great white sharks can accelerate to speeds over .