This formicarium with its vertical nest could be a perfect habitat for our ants for a long time. It is suitable for the most ant species, we can observe the organization and operation of the colony in the nest. All sides of the arena are glued to avoid the deformation and escape. Smaller test tubes (short and small) fits in the arena, it is recommended to place them inside as an external drinker.
Attention: if keep small species in it, always sticks the moistering hole after watering to avoid the escape!