The Wels Catfish, also known as the European Catfish, is a large freshwater fish that is found in lakes and rivers throughout Europe. In addition to its scientific name, Silurus glanis, this fish has several synonyms in different languages and regions. In German, it is called Waller, while in French, it is known as Silure. In Spain, it is known as Siluro, and in Italy, it is called Siluro Europeo. Other synonyms include Danube Catfish, Great Catfish, and Sheatfish. With its elongated body, distinctive whisker-like barbels, and voracious appetite, the Wels Catfish is a fascinating species that continues to captivate anglers and fish enthusiasts around the world.