Goldfish possess genetic traits that allow them to swell up to four pounds—the size of a Chihuahua. Experts say that's why ...

If you think you're doing the goldfish a favor by releasing it, you're not! Instead, you're setting the stage for an ecological disaster, which could threaten hundreds of other species.

If you've ever heard the urban legend about released pet alligators growing to colossal sizes in sewer systems, you might be ...

Originally bred from a species of wild carp, goldfish were initially kept for their vibrant color mutations. These fish were considered a symbol of luck and prosperity and were often kept in ...

“Many of the reasons that make goldfish invasive upon release are the same reasons that they make great pets and pet trade species,” Sara Ricklefs, Executive Director of the Invasive Species ...

and the U.S. Fish and Wildlife Service shared it to raise awareness for Invasive Species Week. "This goldfish isn't supposed to be here. But someone released it, thinking they were being kind.

The fish was found during an electrofishing survey in Presque Isle on Lake Erie, and the U.S. Fish and Wildlife Service shared it to raise awareness for Invasive Species Week. “This goldfish isn ...