They can even live up to 20 years in excellent conditions. Adult goldfish can be fed once a day. They eat both pelleted and flake food. Their diet can be enriched with additional items like live ...

Fish food will do. As the food breaks down ... But chances are your goldfish didn't even live a quarter that long. In fact, most goldfish don't survive past their fifth birthday, and that's ...

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

Related: How goldfish use booze to get through a hard winter.] If you can no longer care for a live goldfish, the United States Fish & Wildlife Service recommends trying to find another caregiver ...