When people catch sharks, they cut off their fins and throw the sharks back into the ocean. This method is not only c but also harmful to the environment. Without a fin, a shark can no l swim and slowly dies. Sharks are at the tof the food chain in the ocean's e . If their numbers drop too l, it will bring danger to all ocean life. Many believe that sharks can never be ebecause they are the strongest in their food chain. But in f around 70 million sharks are caught and traded in this industry every year. The n of some kind of sharks has fallen by over 90 percent in the last 20 to 30 years.
