This Penn Plax Glow plant is a stunning choice for your aquarium. This plant won't release anything harmful into your water, so it's safe for both freshwater and marine aquariums. The best part? This plant glows in the dark, illuminating your fish and aquarium decorations. It's also full of nooks and crannies which will give fry something to hide in. It's safe, durable, and cool. Penn Plax sells more aquarium decorative plants in different sizes and styles, so be sure to check those out as well, each sold separately.