You may find some of your pet fish nibble on the Java Moss because it is sort of yummy. But no worries, Java Moss grows fast. You can grow them outside the tank until it grows into good volume. Java Moss has been known for the multiple functions it can give. And it is one of the best choice to different levels of aquarists. Java Moss also grows on people. People can not reject the beauty and scenery it can provide to fish tanks. It can be easily attached and starts growing. You may not want to miss out on this magic aquarium plant. <br><b>**the variability that according to live plants cultivated in different time, environment, they might be different length every different batch.</b>