You ll see this stress play out in feeding habits mostly.
Betta fish light at night.
However just like their wild cousins captive betta fish do need to sleep at night.
Everything you want to know will be answered in this video.
You should aim to give your betta 8 12 hours of light and 12 16 hours of dark per day.
If your betta fish has too much light it can become overly stimulated and stressed.
If you notice your betta is acting in an aggressive manner when the light is on then it could be because he is seeing his own reflection.
Are you wondering whether you should leave your betta fish light on or off at night.
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.
Your betta has a day night cycle it follows just like you.