Advertisement I tested mine (3.5 inches female) on different substrates and set ups in a span of 1 week. 1. Dry substrate from top to bottom - it spent a great deal of time near the water dish. 2. Too moist substrate and the spider spent more time basking on the dry cork slab / roof. 3. Bottom half of substrate moist, top half dry is the perfect substrate it seems, for her anyway. 3. Mines shows a particular dislike for cork tube (or probably any hide she cant make changes herself). 4. Loves hides made of concrete. It excavated 2 baseball size chambers under the the concrete hide and consequently moved up around 3 cups of substrate. 5. Spends half of her time in the burrow, half on the surface. 6. Great appetite. Mine will take dubias from tongs. 7. Will wander endlessly/cling to roof of enclosure if newly re-housed, as most Ts do. Disclaimer: Each spider is different.