Goldfish are hardy, fairly simple to care for, and eye-catching, so it’s no wonder they’re popular pets. These passive freshwater fish are ideal for renters who can’t have other types of pets, ...

A bigger-than-usual discovery in Pennsylvania has prompted officials to warn what happens when "cute" turns to "brute" — as they're reminding the public that leaving a pet goldfish in the wild can ...

Goldfish can grow to large sizes, reproduce quickly, decrease water quality and gobble up the resources native species need to survive when released into a body of water bigger than a fishbowl. The ...

Photos showing enormous goldfish caught in a harbor in Canada have been released by wildlife authorities, warning people that this is what can happen when pets are released into the country's ...

Conservationists in Minnesota have requested the general public stop releases pet goldfish into lakes and other bodies of water as they are now considered to be an invasive species. The city of ...

Wildlife officials believe a few pet fish dumped in the lake grew exponentially. — -- Colorado wildlife officials say they believe someone dumped four to five pet goldfish in a Boulder lake about ...

A massive "megalodon" of a goldfish caught in Presque Isle, Pennsylvania, is a good reminder of why people shouldn't release their pets into the wild, the U.S. Fish and Wildlife Service says. The ...