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

The USFWS asks goldfish owners who can no longer keep their pets to rehome them or return them to a pet store — or even consider reaching out to a local aquarium or fish rescue group for help — rather ...

One of the most persistent myths about goldfish is that they only grow to the size of their tank. While there's a grain of ...

While your goldfish may look tiny now, without a tank limiting its size, the Fish and Wildlife Service says it can balloon into a "football-sized" invader. The agency says a single goldfish ...

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 ...

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 ...