Armadillidium depressum is a staple if you collect isopods, its robust style and varied genetic morphs make it an attractive but sturdy addition. 
 
Found natively around Europe and the British Isles, this particular brood hails from central France and displays a wonderful pattern along the dorsal ridges.
 
This is quite a large isopod with some adult individuals reachine 20mm in length.
 
Feeding habits consist of the usual calcium, fresh vegetables and a dried beech leaves are a favourite.
 
Makes for an easy to keep Armadillidium species and a reasonably prolific clean-up crew in conjunction with springtails.