A massive "Megalodon"-like goldfish caught last year in Pennsylvania has led to a new warning from the U.S. Fish and Wildlife Service -- don't let your pet fish loose in the wild.

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 ...

Call me Megalodon,” the U.S. Fish and Wildlife Service wrote about a massive pet goldfish found in Presque Isle.