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

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

That might help explain why goldfish in healthy environments can reach the size of an American football, while your last goldfish wasn't much bigger than your index finger. Once you have a big ...

Goldfish may look small and cute in your home ... or 2 kilograms, about the size of an American football! These big fish are also big eaters, feeding on plants, insects, crustaceans, and other ...