Bucephalandras, like anubias, are usually grown attached to decor.
Another low light, slow growing plant which seems to be doing OK for me is Schismatoglottis preitoi. This is a small plant which can be planted in the substrate or attached to decor.
Another low light, slow growing plant which seems to be doing OK for me is Schismatoglottis preitoi. This is a small plant which can be planted in the substrate or attached to decor.