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

"Goldfish grow massive in the wild, where they can turn lakes and waterways into murky messes, steal food from native fish, ...

Bob Arter paused his conversation, raised his camera with purpose and pointed it at a pair of cormorant birds searching for ...

And they aren't content to stay in one place. Goldfish are a rapidly reproducing fish and will migrate across multiple bodies of water. Case in point: When a few were dumped in a local Australian ...

A single adult goldfish needs at least twice that much water to thrive. That's almost 40 kilograms of water, 2000 times heavier than your goldfish, and even with a huge tank, you'll still need to ...

We’ve already told you to consider eating more marsh rodents for the sake of the environment. Now, we’re begging you to stop releasing pet goldfish into local waterways. The seemingly benign ...