- The Wels catfish is a large fresh water fish native to Central and Eastern Europe. The fish can reach a length up to 5 meters and weigh over 150 kg. They inhabit in warm lakes and rivers throughout the continental Europe.
- The Wels catfishes are very aggressive predators. Their mouth contains lines of razor-sharp tooth. They mainly feed on fishes, frogs and water birds. The attack on humans by Wels catfish is not so rare. Their huge size and sharp tooth can be a severe threat to us.