Are you thinking of adding more color and excitement to your aquarium? These 5 lifelike jellyfish may just be the answer. 5 different colors included, and they attach by very fine lines and suction cups. The silicone they're made from will make them wave around in the current naturally as your finned friends dart in and out of these colorful ornaments that almost appear to glow. Check them out with a blue light in your aquarium for even better color effects.