Goldfish, commonly kept as small pets in home aquariums, can sometimes grow much larger when placed in the right environment. A notable example of this phenomenon was a giant hybrid goldfish, caught ...

Goldfish are everywhere: in classrooms, home aquariums and backyard ponds. They’re seen as low-maintenance pets, even markers of childhood. But a new body of research warns that when these fish end up ...

In short: Volunteers have started trapping and removing feral goldfish from a major river in Busselton. There are believed to be thousands of goldfish in the river, which have bred from people dumping ...

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 ...