If you thought swimming in the ocean was dangerous, the same can be said for fresh water as well. The fish that roam rivers and lakes are not to be trusted either. Check your surroundings before you leap in, you don’t want to be coming out minus a toe, or worse still a limb! And no, I’m not kidding! From the fish with similarities to a popular workshop tool to the tiny, but lethal pack hunter, here are 15 Most Dangerous Fish in the World!