Corey Ketchum of the U.S. Fish and Wildlife service holds a giant goldfish found during a survey in Presque Isle, Pennsylvania. The service then posted a warning about releasing petstore goldfish ...

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 ...

In Presque Isle, Pennsylvania, a giant goldfish was caught during an electrofishing survey. It serves as a reminder of why it isn't a good idea to release pets into the wild. The U.S. Fish and ...

The giant goldfish was found by US Fish and Wildlife Services in a waterway at Presque Isle State Park in Erie. Matt Basista/USFWS “This goldfish isn’t supposed to be here,” the government ...

"Without a tank limiting their size, goldfish that once fit in the palm of your hand can balloon into giant, football-sized invaders that compete with native species for food and habitat," the ...

You might have a pet goldfish at home, but I bet you've never seen one quite like this before. Although the idea of a giant goldfish might sound cool, it's not actually good news. The US Fish and ...

In the photo, Corey Ketchum with the USFWS is holding the giant goldfish, which is considered part of an invasive problem. “This goldfish isn’t supposed to be here,” the post said.

Corey Ketchum can be seen in the photo with his hand being dwarfed by the giant goldfish. "Your pet store goldfish after two years in the wild: ‘Call me Megalodon,'" quipped the USFWS in its ...

"Just don’t let it loose." Giant goldfish are back in the news. For decades, people have been releasing unwanted pet goldfish into Lake Erie, where they bulk up and can grow as large as a dinner ...

According to the USFWS' website, wild goldfish can "balloon into giant, football-sized invaders that compete with native species for food and habitat." Specifically, the species can make water ...