Do Goldfish Like Light?

Yes, goldfish need light and they also need nightly periods of darkness. What is this? Using lights to illuminate your tank and simulate a day / night cycle is beneficial to your goldfish, the overall health of your tank and is an important aspect of successful goldfish care.

Do goldfish like the light on or off?

Allowing your goldfish to experience more than 6 hours of darkness will have a positive effect on their health. A well-rested goldfish is healthier and more active. Aside from a period of darkness, goldfish also need moderate lighting in the day to mimic the daylight they will receive in the wild.

Do goldfish like dark or light?

In the wild, goldfish live in cool rivers, lakes and streams where they have regular access to relatively bright light. In captivity, their light cycle should mimic the lighting of their natural environment. Give your goldfish 12 to 13 hours of moderately bright -- but not hot -- light daily.