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

Get a big tank for your goldfish ... is considered a stinging rebuke because it is based on the common misconception that goldfish only have a memory span of 3 seconds. However, in truth ...

"One goldfish might not seem like a big deal, but they multiply fast," the USFWS said. "Goldfish spawn several times a season, and because they have no natural predators in most North American ...