Using the Tank (the Fish Tank, That Is) at 128 BilliardsWe’ve seen many items used as restroom décor — everything from S&M gear to Sartre tomes. But we had never encountered live creatures used as wallpaper until we entered 128 Billiards, an obscure pool joint with a tropical-themed front room that gives the Rainforest Café a run for its money. True, this is Chinatown, where you can buy pet turtles on the sidewalk and piranhas at more than one aquarium supply shop, but an aquarium in the wall?