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

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 truth in this belief, it's rooted in a misunderstanding. The origins 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 ...

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 ...

Pennsylvania (KDKA) — 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 ...