Do I need to oxygenate my goldfish? Does it need to be filled all the time?

Goldfish need oxygen. As for whether you need to keep filling it up all the time, it depends on the actual situation.

Goldfish need to pay attention to:

1, the size of the container used to keep goldfish also indirectly determines the amount of oxygen supply.

2, some people do not have other plants in the fish tank or fish tank is not big, you need to supply oxygen in a timely manner, you can use the indirect method to the goldfish in the tank oxygen.

3, goldfish if the surface of the water also need to pay attention to, because it is likely to be no oxygen in the tank.