Should I Turn My Tetras Light off at Night?

Neon tetras need darkness to rest, and resting is very important for any living being. The darker their environment is at night, the better their quality of sleep will be. Neon tetras require 12-14 hours of aquarium light during the day, every day, and then complete darkness at night.

Do tetras need light at night?

Like other tropical fish, tetras require the lights to be on in their tanks for 12 to 14 hours each day. This will help them to maintain a proper circadian rhythm. It's best to put your lights on a timer so that your fish can settle into a routine.

Do tetras like the dark?

Black Phantom Tetra do not necessarily require a dimly lit tank, so you can use your normal lighting, but they will prefer plenty of areas of shade to shelter from the light.