Mini Speckled Woodlice are soil isopods. An excellent soft-bodied, fast-moving prey for many reptile species. They are quite prolific. They make an excellent vivarium janitor.  They will reproduce in the tank, add them once and don’t worry about it again, unless you have particularly ravenous occupants! They are larger than Springtails and not only provide a good food source, but are high in calcium for your animals as well. They will thrive in tropical style vivariums making great custodians eating mould and waste products also they will turn the substrate over which will aerate it. They can be used in planted set ups and will not destroy the plants.