Atlantic shortfin mako shark (IMAGE) Save Our Seas Foundation Caption Shortfin mako sharks are built for speed. Their streamlined, torpedo-shaped body, powerful muscular tail and specially adapted skin allows them to reach speeds of up to 70km/hr. They are a highly valuable shark on the international market, and have declined rapidly due to overfishing Credit Photo © Sebastian Staines Usage Restrictions Image use only permitted with associated press release. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.