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.

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 and lakes.