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

Pennsylvania (KDKA) — A massive “megalodon” of a goldfish caught in Presque Isle, Pennsylvania, is a good reminder of why people shouldn’t release their pets into the wild, the U.S. Fish ...

Goldfish also breed quickly, and since they don't have natural predators in most North American waters, their populations can "explode," the U.S. Fish and Wildlife Service says. How do you get rid of ...