Atrium (Brown 4163) custom formicaria we hand-pick yours from the

we hand-pick yours from the best of dozens of colonies

***2-chamber version***(+$5)

*** Custom Sizes XXL Mini Hearth - This version of the XXL Mini Hearth is 3/4" deeper and also includes 1 extra water tower for greater control of the humidity of the inner chamber

A sharp jolt of the formicarium is enough to dislodge a replete from its hold on the ceiling or sides

Atrium (Brown 4163) custom formicaria we hand-pick yours from theSee More Information About the Atrium at this link. General Information: *****Due to the size of the open chambers, this formicarium is considered a small to medium sized formicarium and can hold an estimated 1,000 to 2,000 medium sized ants, larger species such as Camponotus, Formica and Myrmecocystus up to 1,000 (again, approximately). While it is quite possible some small species (Lasius spp.) will do quite well in the Atrium, estimating numbers