Quick Answer: Do Fish Like Blue Light At Night?

Do fish need total darkness at night?

Like human beings, most fish require both periods of light and darkness because they need to rest and regain their energy after a whole day of swimming, searching for food and mates.

Aquarium fish can rest at anytime, not only at night when it’s dark..

Can fish sleep with blue LED?

Fish cannot sleep with blue lights on since they require entirely dark conditions for sleeping. Keeping the lights on at night will eventually impact their health, behavior, and well-being. However, blue lights can induce sleep as a means of transition between light and darkness.

Are blue LED lights OK for fish?

Do fish like blue light at night? They do! Blue LED lighting can be used to mark the transition between dawn and dusk, as well as mimic moonlight. Don’t worry about ambient blue light affecting your fish’s night-and-day cycle and the growth of plants, corals, and algae.

Is blue light good for fish at night?

Can Fish Sleep in Blue Light? A blue ambient light in an aquarium is meant to mimic moonlight. They are a great addition to any tank as they don’t affect the day and night cycle of the fish or plants and don’t contribute to the growth of algae.

Do fish like light at night?

The fish do not need light and it is best that your turn it off during the night. Leaving the light on can cause stress to fish as they need a period of darkness to sleep. Too much light will cause algae to rapidly grow and make your tank look dirty. So the short answer is no, do not leave your lights on.

What color light do fish like?

A warmer light spectrum of 6500k to 8000k will help colors like orange’s, browns, greens, reds and yellows pop. Quite a large percentage of freshwater fish will have some of these colors even in very small amounts.