PORCELLIO WERNERI 'Greek Shield' IsopodsPorcellio werneri thrive in both arid environments, do okay in temperate, and nearly guaranteed to perish in tropical. They are typically kept as a pet on their own due to their price point and unique lovely look. They 1 2 times a year, making them a difficult species to breed. Greek Shield isopods are incredibly flat, making them look like little carpets moving around. They consist of gray coloring on the center of their back with white fringes.