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

T here are some things that you just have to see to believe, and this photo of an overgrown goldfish is one of them. As kids, ...

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 ...

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

(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 ...

A "megalodon" goldfish caught in Pennsylvania is a good reminder of why people shouldn't release their pets into the wild ...

Something fishy is going on. A pet store goldfish went from “cute to brute” after it was found in a Pennsylvania waterway – with experts now warning against dumping unwanted fish into ponds ...

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 ...

Thinking about letting your pet goldfish run wild and free in the Pennsylvania rivers and streams? The U.S. Fish and Wildlife ...