Atrium (Black 4152) Immediate Shipping Formicaria the lids are magnetically attached

the lids are magnetically attached

as well as communicating with thousands of hobbyists and professionals during that time about ant care

The stalactites seemingly add this behavior

Magnetically removable vent (see photo)

Atrium (Black 4152) Immediate Shipping Formicaria the lids are magnetically attachedSee 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