A common household pet is revealing an unexpected ecological influence. Through carefully controlled experiments, researchers ...

It's easy to see why goldfish are one of the most popular pets around. They don't make messes in your home, and it's relaxing to watch them swim with their graceful movements. Goldfish will usually ...

Releasing goldfish into lakes may seem harmless, but new research shows they can disrupt food webs and damage entire ...

A new peer-reviewed study conducted by researchers at The University of Toledo and University of Missouri provides some of ...

Goldfish seem like the perfect first pet. They're inexpensive, attractive, and don’t require walking. However, that reputation overlooks a long list of challenges ...

It’s no fish tale. Giant goldfish have been appearing in freshwater lakes around the country. It’s a development that has surprised people. Stream NBC 5 for free, 24/7, wherever you are. “Honestly, I ...