GloFish Javamoss Aquarium Plant; The GloFish Java Moss Aquarium Plant helps turn your tank into an awesome aquascape. This color-changing aquarium decor features a fun, unique finish that fluoresces under blue LED lights (sold separately). Aquarium plants create an intriguing space for fish to explore and guests to adore. Each plant comes with a weighted base to help hold it in place. Combine with other GloFish plants and decor (sold separately) to transform your aquarium into an enchanting underwater world!