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

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 ...

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

Cadence’s Central Park has new life, attracting birds and worrying officials about potential effects on Lake Mead.

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 ...