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

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 ...

A massive goldfish turned up during an electrofishing survey in Presque Isle on Lake Erie, prompting the U.S. Fish and Wildlife Service to share the shocking find on Facebook for National Invasive ...

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

Goldfish may look small and cute in your home ... about the size of an American football! These big fish are also big eaters, feeding on plants, insects, crustaceans, and other fish.

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.

while your last goldfish wasn't much bigger than your index finger. Once you have a big, detoxified tank, Goldie just needs one more thing: your attention. Because you're not swimming in the tank ...