The Details:
A large isopod is identified by its dark brown/black and bright yellow carapace with white edging. Also referred to as the "Giant Spanish Isopod".
Prefer a low-humidity, semi-arid environment that is mostly dry with a smaller moist space. Good ventilation.
Sexually dimorphic. Males have significantly longer uropods making the noticeably different from females. 
AKA "Sowbug", thus cannot roll into a ball.