[header] How to take care of your carnival goldfish [title] Purchase the proper items to house your fish. [step] You will need specific equipment and tank dimensions to properly house your goldfish. By providing the right environment for your goldfish, you will help your new friend to be comfortable and healthy in its new home. 
[substeps] For the aquarium itself, you should try to find one that is around 20 gallons (76 l) in size. This may seem large for your new fish, but remember, it will grow over time.