What are some other kinds of fish that goldfish can live with happily?

* White Cloud Mountain Minnows: These small, peaceful fish are a good choice for goldfish tanks because they are hardy and can tolerate a wide range of water conditions. They are also very active and will add some excitement to your tank.

* Zebra Danios: Zebra danios are another hardy and active fish that can live happily with goldfish. They are also very colorful, which can add some beauty to your tank.

* Rosy Barbs: Rosy barbs are a bit larger than white cloud mountain minnows and zebra danios, but they are still peaceful fish that can live with goldfish. They are also very hardy and can tolerate a wide range of water conditions.

* Mollies: Mollies are a livebearer fish, which means that they give birth to live young. They are also very peaceful and can live with goldfish. Mollies prefer warmer water than goldfish, so you may need to adjust the temperature of your tank if you want to keep them together.

* Platies: Platies are another livebearer fish that can live happily with goldfish. They are also very peaceful and can tolerate a wide range of water conditions. Platies prefer warmer water than goldfish, so you may need to adjust the temperature of your tank if you want to keep them together.