A sandy substrate is ideal to allow for easy foraging and to facilitate burrowing habits. Several hiding places should be provided; the use of driftwood, aquarium décor, and aquatic plants (real or plastic/silk) are ideal.
For easy foraging and burrowing, a sandy substrate is preferred.  Several hiding spots should be included in the setup, with driftwood, aquarium decorations, and real or artificial aquatic plants being good choices.