SunKni 6PCS Multicolored Artificial Glowing Jellyfish Silicone Ornament Decoration For Aquarium Fish Tank Fish Bowl (Orange Green Blue Pink Purple Yellow) Incredibly Detailed Imitation Floating Jellyfish. Very Beautiful Color Moves by Water Current in Tank Attaches by Thin Invisible Line and Suction Cup Made Of Silicone, Harmless To All Fish, Both for Fresh and Saltwater It Only Glows Under the Light of Aquarium or Fish Tank, Cant Glows in the Dark