Do Neon Tetras need light at night?

Lewis

Neon tetras are a popular species of freshwater fish that are known for their bright and vibrant colors. These fish are typically kept in aquariums, and many people wonder whether or not they need light at night.

The short answer is that neon tetras do not require light at night. In fact, it is generally recommended that aquariums be kept dark at night, as this can help to mimic the natural day/night cycle that the fish would experience in the wild.

There are a few reasons why it is not necessary to provide light for neon tetras at night. First, these fish are diurnal, which means that they are most active during the day and tend to rest at night. Therefore, they do not require light to be active or to find food.

Additionally, providing light at night can actually be harmful to the fish. Too much light can disrupt their natural rhythms and cause stress, which can lead to health problems. It can also encourage the growth of algae in the aquarium, which can be detrimental to the health of the fish.

That being said, it is important to provide adequate lighting during the day for neon tetras. These fish require a well-lit environment in order to thrive and show off their bright colors. A good rule of thumb is to provide 8-12 hours of light per day, with a gradual increase and decrease in intensity to mimic the natural sunrise and sunset.

In conclusion, neon tetras do not need light at night and can actually benefit from a dark environment during their resting hours. However, it is important to provide adequate lighting during the day to support their health and wellbeing.

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