This unusual behavior is not observed in Wels catfish populations elsewhere and is believed to be a learned adaptation. Due to limited food sources, the catfish became desperate enough to try hunting ...
The huge fish are dwindling in the wild, but thriving in private homes. Scientists see an opportunity for their recovery. In Thailand, some threatened megafish, like this giant barb photographed at ...
About the Wels Catfish The Wels catfish originates in Europe and western Asia. These catfish are one of the largest freshwater fish species in the world. They generally measure between five and six ...