Extremely rare, bright-yellow catfish caught in the Netherlands....

The whopper is a wels catfish (Silurus glanis), a large species native to European lakes and rivers. These fish are known for their enormous size and can grow to at least 9 feet (2.7 meters) long and weigh nearly 300 pounds (130 kilograms). Typically, they have dark greenish-black bodies with a handful of mottled yellow spots.