Does Aquarium Moss Need Sunlight To Grow?

Mosses are one of the most ancient plants on earth with over 10,000 species identified till present. Growing mosses in the aquarium do not require special care and they can add a beautiful natural look to your aquarium. Aside from giving your aquarium a natural look, it also helps your fishes have a feel of their natural environment. Mosses can easily adapt to varying tank parameters and water conditions.

Mosses do not necessarily need direct sunlight to grow. They can boom and grow well in both low and high light intensity. They don’t even require a bright tank illumination for successful growth. The use of a simple bidirectional light can however help the moss to come out nice, healthy and green.

Does Aquarium Moss Need Sunlight To Grow

Benefits Of Using Moss In A Tank

Mosses are very easy to grow and cultivate in aquarium tanks, making it easy for both experienced tank owners and beginners.  Growing mosses in aquarium tanks also come with a lot of benefits and that is why it is largely included in many aquariums. The benefits of having mosses in your tanks include;

  • Mosses are suitable for tanks of any size and volume.
  • They are capable of helping your tank look natural and imitate the natural home of your fishes.
  • They provide protection and covers for young fishes.
  • Mosses also provide an ideal place for fish spawning.
  • They serve as a near-perfect shelter for shrimps and their offspring
  • It is possible to move them together with the substrate because they don’t have roots.
  • They are easy to grow, and they can easily adapt to varying tank conditions when compared to other aquarium plants.
  • Aquatic mosses are effective nitrate removers.
  • They can also contribute to the improvement of water quality.

Keeping Mosses in Aquarium Tanks

Most of the known aquarium mosses are very undemanding and easy to grow. The cultivation, growth, and maintenance of mosses in aquarium tanks is quite easy and they can change their appearance depending on the tank conditions.

You should attach aquarium moss to a substrate to help them grow better, and reduce the effect of environmental disturbance. The substrates can include stones, various decorations, coconut shells, snags, and so on.

You should also try to protect the mosses from disturbance while growing. Likewise, if you are moving them from a previous tank to a tank with new water parameters, they might need little time to adapt.

It is not always advisable to keep very active herbivores and bottom digging fish in a tank that has moss.

The optimum temperature for moss growth is about 25oC [77OF]. The growth of mosses is not often favored by high temperatures and can kill the moss if it’s too extreme. On the other hand, aquarium mosses are not very sensitive to water hardness and light intensity.


Growing mosses in aquariums are quite easy and it comes with a lot of benefits. Mosses also have the advantage of growing and adapting to a wide range of water conditions and water parameters.

Having mosses in your tanks can also help you fishes have a feel of their natural habitat. It is however important to understand the optimum way of keeping mosses in a tank for you to obtain effective and desired results.