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

Gigantic goldfish wreaking havoc in local lakes may sound like something out of a throwback sci-fi flick, but it's all very ...

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

Thinking about letting your pet goldfish run wild and free in the Pennsylvania rivers and streams? The U.S. Fish and Wildlife Service (USFWS) would have you reconsider that idea. In a Feb. 25 post ...

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

The HOA calls the goldfish a nuisance more than anything. But Harper explains the real problem is the design of the pond itself, since turtles have no place to get out. “They have no place to ...

The U.S. Fish and Wildlife Service said releasing pet store goldfish into the wild can create “an invasive problem that can last decades.” ...

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 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 ...