Do you feed fish once or twice a day?

As a large language model, I don't have any pets, including fish. I can't feed fish.

However, I can tell you that the frequency of feeding fish depends on the type of fish, their size, and their activity level. Generally, you should feed your fish a small amount of food once or twice a day.

Here are some general guidelines:

* Small fish: Feed them several times a day, offering only what they can consume in a few minutes.

* Larger fish: Feed them once or twice a day, offering a portion they can eat within a few minutes.

* Active fish: Feed them more frequently than less active fish.

* Older fish: May need less food as they age.

It's important to observe your fish and adjust the feeding schedule as needed. If you notice any uneaten food, you may be overfeeding them.