One of the most popular pets in the world is the goldfish. They are low-maintenance, inexpensive, quiet, and adaptable. They ...

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

A Minnesota town's lake has been overrun with mutated goldfish after locals dumped their pet fish. The town of Edina, near Minneapolis, is battling a foot-long goldfish problem in Lake Cornelia. So ...

The keepers of a community arboretum in Aurora, Ontario, have spotted goldfish in its pond, according to Village Report. While that might seem like a ho-hum headline, the species is invasive and ...

LAS VEGAS, Nev. (FOX5) - FOX5 is continuing to follow an ongoing fish tale in Henderson without an end in sight. What is in sight, hundreds, if not thousands of goldfish currently taking over a ...

Caretakers in Aurora, Ontario were surprised to find goldfish swimming beneath the surface of a quiet local pond. At first, the sight seemed innocent enough—just a splash of color, maybe a few former ...

(WJW) — Lake Erie looks like a frozen tundra, but beneath all of that ice goldfish are not only surviving, they may be thriving and growing to massive sizes. Biologists with the U.S. Fish and Wildlife ...

Imagine a wild, feral goldfish surviving in a habitat it was never meant to enter. In Canadian waters, such creatures are not uncommon; apparently, goldfish are now established in multiple provinces, ...