Based on their availability and ease of maintenance, goldfish are one of the most popular pets on the planet. But how long do goldfish live, and are we responsible for extending their life span as ...

A 20-gallon tank is the best starter home for a single goldfish. However, a larger tank that holds 50, 75, or even 100 gallons of water is a good choice for providing ample room, especially if you ...

A 20-gallon tank is the best starter home for a single goldfish. However, a larger tank that holds 50, 75, or even 100 gallons of water is a good choice for providing ample room, especially if you ...