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

"From cute to brute," it captioned the snap. Posted by U.S. Fish and Wildlife Service on Tuesday, February 25, 2025 The official USFWS website explains that although goldfish in pet store tanks may ...

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 ...

The tiny, harmless-looking fish from the pet store won't stay 'cute' without a tank limiting their size. 'Goldfish that once fit in the palm of your hand can balloon into giant, football-sized ...

The U.S. Fish and Wildlife Service announced on Feb. 25 that they discovered a massive goldfish — called a 'megalodon' — in a Pennsylvania waterway, which can create an 'invasive problem that can last ...

"From cute to brute," it captioned the snap. The official USFWS website explains that although goldfish in pet store tanks may look harmless, "in the wild, they don’t stay small." "Without a ...