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

If you've ever heard the urban legend about released pet alligators growing to colossal sizes in sewer systems, you might be ...

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 and Wildlife Service says.

Now, we’re begging you to stop releasing pet goldfish into local waterways. The seemingly benign and tiny household pets can grow to gargantuan sizes, like the ones the United States Fish ...

Instead, they created an invasive problem that can last decades.” This is because goldfish grow “massive” in the wild, according to the USFWS, where they can turn lakes and waterways into ...

Ripa said that they would “bring these goldfish into [their] lives, and they would live and grow.” Consuelos recalled that they would “get a bowl and get a filter,” though he confessed ...

ERIE, Penn. (WKRC) — Pet store goldfish are not only surviving the harsh winter conditions of Lake Erie, but are thriving, officials said. The United States Fish and Wildlife Service posted a ...

Instead, they created an invasive problem that can last decades.” Officials said “goldfish grow massive in the wild,” and threaten native fish species by stealing food and ruining water quality.