Cubaris murina, commonly called the little sea pillbug, are a part of the Armadillidae family. In the wild they can be found in North America, Africa, South America, Australasia, Mexico, tropical Asia, and the Pacific Ocean. I keep the bin half damp and half dry keep them on my own substrate mix topped with oak and magnolia leaves with plenty of bark and wood to climb on. Once a week I top off their pile of Repashy Bug Burger and add a blend of fish foods in a different pile. I add cuttle bone and leaves as needed and add a slice of vegetable (carrot, zucchini on the damp end. Last I make sure the substrate is damp enough and dump in some RO water if needed.