Corey Ketchum of the U.S. Fish and Wildlife service holds a giant goldfish found during a survey in Presque Isle, Pennsylvania. The service then posted a warning about releasing petstore goldfish on ...

TOLEDO, OH — In your fishbowl at home, goldfish are a cute pet. But in the lake down the road, they can become real troublemakers. Once established in the wild, the aquarium pet can grow large, ...

A new peer-reviewed study conducted by researchers at the University of Toledo and University of Missouri provides some of the first rigorous experimental evidence that goldfish — one of the world’s ...