GloFish 5 Gallon Cresent Aquarium KitThe GloFish 5 Gallon Cresent Aquarium Kit has a curved front side with a seamless view and a convenient feeding hole on the canopy. The LED light is detachable and has an on and off switch. This aquarium kit also features a black base, a Tetra Whisper internal filter, and a Bio-Bag cartridge. Remember to use a heater for tropical fish.