Most arboreal species are tropical and require adequate humidity levels, therefore proper ventilation is a must when keeping these tarantulas. Cross ventilation is ideal to ensure proper air flow.

Do all tarantulas need cross ventilation?

All tarantula enclosures, whether it's a tiny deli cup or a large tank, need holes for ventilation. Different tarantula species have different ventilation requirements. ... Some species require cross ventilation and more humidity than others.

Do tarantulas need large enclosures?

One of the largest draws to tarantula keeping is that of their relatively simple housing requirements. Most species spend about 90% of their lives hidden in snug burrows or tree hollows waiting for nightfall. As a result, it is not necessary to provide huge, expansive enclosures for most tarantulas.