Goldfish possess genetic traits that allow them to swell up to four pounds—the size of a Chihuahua. Experts say that's why ...

Pointing to a recent United States Fish & Wildlife survey of Presque Isle on Lake Erie, scientists say that pet goldfish can ...

If you can no longer care for a live goldfish, the United States Fish & Wildlife Service recommends trying to find another ...

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 ...

The service said goldfish are an invasive species. "They can turn lakes and waterways into murky messes, steal food from native fish and wreck water quality," the post said. Officials wrote that ...

The USFWS asks goldfish owners who can no longer keep their pets to rehome them or return them to a pet store — or even ...

Wildlife officials warned that goldfish grow massive when discarded into the wild, threatening native fish species by stealing food and turning bodies of water into “murky messes.” Anglers are ...