I had one at work before. DId a cheesey community set up so everyone could enjoy it. I had Black Gravel, a neon pot, glow-in-the-dark plants, and used an atinic light on it so it would glow. I had 12 neon tetras, 3 female bettas, 4 glass catfish, and 3 otocinclus. It was a fun little tank.