The U.S. Fish and Wildlife Service announced on Feb. 25 that they discovered a massive goldfish — called a 'megalodon' — in a Pennsylvania waterway, which can create an 'invasive problem that can last decades.

The U.S. Fish and Wildlife service is reminding pet owners not to release their goldfish into waterways after researchers in Pennsylvania found a massive "megalodon."

A massive goldfish was found in Presque Isle during an electrofishing survey last month by the U.S. Fish and Wildlife Service.

Goldfish owners have been warned against turning their fish into Megalodon by releasing them into wild waters which can destroy local ecosystems and steal food from other fish

Wildlife Service officials retrieved a massive goldfish that was dumped into a Pennsylvania river, warning pet owners not to release their aquatic animals into the wild