In 1974, German biologist and recreational fisherman Roland Lorkowsky released thousands of juvenile Wels catfish (Silurus glanis) into Spain’s Mequinenza Reservoir on the Ebro River. His goal was ...

Who knew a baby catfish could be so cute! The one to the left is being shy. The one to the right is being inquisitive. I wonder what the one in the middle might be saying if it could talk. These fish ...

A swarm of baby catfish seems harmless at first, but overnight the tank turns cloudy, messy, and chaotic. Once they start feeding like tiny predators, the creator has to remove them before the koi, ...