In rivers that once held a balanced mix of native fish, a giant predator now dominates so completely that it has started lunging out of the water to grab unsuspecting pigeons. The wels catfish, a ...

Europe's largest freshwater fish is a bottom-dwelling predator that goes by several names. Sometimes called soms, siluros, wellers, or sheetfish, these massive critters are the Old World's answer to ...

The enormous wels catfish two Polish fishermen landed a few weeks ago while competing in a fishing tournament at a reservoir in Rybnik, Poland, is being hailed as a world record for length. Krzysztof ...