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 ...

Goldfish may look small and cute in your home ... these little orange monsters will grow into giants, reaching as much as 4 pounds, or 2 kilograms, about the size of an American football!

The agency says a single goldfish released into the wild can grow to be up to 4 pounds. The bottom feeders stir up sediment, uproot plants and make the water murky, disrupting aquatic ecosystems ...

LAS VEGAS, Nev. (FOX5) - FOX5 has reported on a massive school of hundreds, if not thousands of goldfish at Cadence Pond in Henderson. The HOA says the problem started small with someone illegal ...

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 ...

Thinking about letting your pet goldfish run wild and free in the Pennsylvania rivers and streams? The U.S. Fish and Wildlife Service (USFWS) would have you reconsider that idea. In a Feb. 25 post ...