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 can no longer care for a live goldfish, the United States Fish & Wildlife Service recommends trying to find another ...

Gigantic goldfish wreaking havoc in local lakes may sound like something out of a throwback sci-fi flick, but it's all very real. The U.S. Fish and Wildlife Service is sharing pics of “massive ...

The U.S. Fish and Wildlife service is reminding pet owners not to release their goldfish into waterways after researchers in ...

Her work has previously appeared on Variety, The New York Post, and The Wrap. mapress A rare fish species thought to be extinct for over 80 years was rediscovered in India. The journal Zootaxa ...

Releasing a goldfish into the wild can create "an invasive problem that can last decades," the U.S. Fish and Wildlife Service said Brenton Blanchet is a writer-reporter at PEOPLE. He has been ...

The pet store goldfish, now huge from living in the wild, was found in a waterway in Presque Isle State Park, wildlife officials said. Photo by Matt Basista with the U.S. Fish and Wildlife Service ...

While goldfish have evolved a rare adaptation that allows them to survive without oxygen for up to five months, they need oxygen-rich water in order to truly thrive, too. The goldfish bowl myth ...