Hammerhead sharks eat other sharks--and it's worth the risk

Breakthroughs, discoveries, and DIY tips sent every weekday. Great hammerhead sharks (Sphyrna mokarran)--the funny looking big fish with the rectangular shaped head--have an unusual feeding habit. Unlike many other sharks, who rely on small and numerous prey, great hammerheads eat other sharks. This diet is particularly high-risk, high-reward. For example, it takes a lot of energy to hunt a blacktip shark (Carcharhinus limbatus), but if successful, the hammerhead secures a high-energy meal.