Are betta fish OK in the dark?
Are Betta Fish OK in the Dark? While sufficient tank light is key in making sure that betta fish have a proper day and night cycle, they do just fine in the dark. The balance is in finding how much light they need throughout the day so that your fish sleep an adequate amount.
Do Bettas need complete darkness at night?
Coming back to the primary question “do Betta fish need darkness to sleep”, the answer is yes. You should provide your Betta fish with an adequate amount of darkness so that they can sleep at night. They will need anywhere between 12 and 16 hours of darkness within a 24 hour period to remain healthy.
How long can betta fish go without light?
How Many Hours Light And Dark Do Betta Fish Need Each Day? Betta fish typically need 8 to 12 hours of light, and 12 to 16 of darkness, so make turning off your tank light a pre-bedtime habit. If your betta fish has too much light, it can become overly stimulated and stressed.