Add a colorful zing to your surroundings with GloFish® Crescent Aquarium Kit. This crescent-shaped 5-gallon tank is made of clear high-quality plastic and is sure to brighten any room. The Tetra® Internal Filtration pulls water from the aquarium and pushes it through the filter cartridges where the dense dual-sided mesh catches debris and waste. The sleek black hood incorporates a hidden blue LED light stick to highlight your fish’s unique colors and brighten up both the aquarium and décor. Includes one medium Tetra® Whisper® Bio-Bag® Filter Cartridge. Born Brilliant™. GloFish fluorescent fish are born with their brilliant colors! They get their natural vibrant hues from their parents and are not injected painted or dyed. Enhanced by a full range of aquarium kits lighting décor and accessories GloFish products create a complete underwater fluorescent experience that appeals to all ages and levels of expertise.