When exposed to blue or purple light, this Magical Swimming Fish emits a subtle glow, creating a charming underwater atmosphere. This Floating Fish requires simple pre-use preparation-rinse with clean water before placing it in your aquarium for best results. Made from eco-friendly silicone, this Swimming Fish is soft to the touch and won't disrupt the health of your tank's aquatic life. Equipped with a wired suction cup, this Aquarium Decor easily attaches to any fish tank wall, fitting perfectly in tanks of all sizes. Floating Glowing Swimming Fish features a realistic black and orange striped design, instantly boosting the visual appeal of your aquarium.