Description The Marina Cubus Betta Kit contains everything you need to keep bettas in a comfortable and attractive setting. The elegant glass aquarium brings a stylish decorative element to homes or offices. Key Features: flexible, energy-efficient clip-on light with 3 powerful LED lights that vividly enhance betta colours The cover has an opening for breathing and easy access to fish The pedestal base protects surfaces from damages 3.4 L (0.9 U.S. gal) glass cube aquarium Can be used for all species of Betta, Fighter & Fighting Fish. Aquarium size: 15 x 15 x 15 cm (5.9 x 5.9 x 5.9 in) Bettas, or Siamese fighting fish, do best if kept in warm temperatures so it is important to keep the aquarium water temperature between 24 and 27 degrees Celcius (75-80 degrees Fahrenheit). Marina C10 submersible aquarium heater (sold separately) is ideal for fighting fish tanks. It is a safe, compact heater ideal for small aquariums to maintain optimal temperature of 26 degrees C.