Java moss keeps the water condition healthy for the fish. They grow in all kind of water condition and doesn't require maintenance. Due to their qualities and support, the aquarium building makes the java moss the most popular plant in the aquarium. It also supports the breeding tank where the fish can hide, lay eggs, the fry can leave comfortably around the moss plant. Java also mosses, great food for the tank. If you forget to feed your fish due to some emergency, the fish will eat the plant leaves and survive for few days. It doesn't require bright light or direct sunlight to grow.