Porcellio werneri (Greek Shield Isopod)

Porcellio Werneri (Greek Shield / Space Pods)

Origin: Greece
Temperature: 17–26°C
Humidity: 50–65%
Adult Size: Up to 20 mm
Difficulty: Medium
Rarity: Uncommon

Product Description:
Porcellio Werneri, also known as Greek Shield or Space Pods, is a relatively large, uniquely shaped isopod prized for its mild temperament and adaptability. With a dark grey to black body and a distinctive milk-white edge resembling a shield or “skirt,” this species is visually striking and a popular choice for terrarium enthusiasts. Ideal for soil aeration and detritus cleanup, P. Werneri is well-suited to temperate setups and requires moderate care.

Appearance & Behaviour:

• Flat, oval, shield-like body with white-edged margin
• Deep grey to black coloration with lighter outer rim
• Adults reach up to 2 cm
• Antennae long and sensitive; seven body segments with strong last pair of legs
• Mild temperament, minimally aggressive, can be hand-fed
• Territorial tendencies; benefit from spacious enclosures
• Seasonal breeders, juveniles appear during specific times of the year

Care & Conditions:

• Substrate: Organic-rich mix of coconut fiber and peat moss with good moisture retention
• Enclosure: Minimum 12 L for starter colony, 25 L for larger populations; ample airflow required
• Humidity: 50–65%, maintain a moist corner covering ~1/3 of the enclosure
• Temperature: 17–26°C
• Décor & Hides: Cork bark, leaf litter (pesticide-free), lotus seed pods, egg crates for hiding
• Ventilation: High airflow essential; use multiple vents or mesh lids

Diet & Feeding:

• Primary Foods: Decaying leaves, fruits, vegetables, greens, rotting wood
• Protein Supplements: Fish flakes, dried shrimp, dried minnows (twice weekly)
• Calcium: Cuttlebone, limestone, crushed eggshells, oyster shell

Breeding:

• Seasonal; females brood eggs for specific periods annually
• Provide calcium, protein, and a stable environment to encourage reproduction
• Territorial males require adequate space to prevent conflict

Suitability:

• Good for keepers looking for a visually distinct, medium-difficulty Porcellio
• Ideal for bioactive terrariums or soil-aerating cleanup crews
• Less suitable for complete beginners due to seasonal breeding and territorial behaviour

Value:
A larger, rare-looking isopod with striking coloration and armor-like body structure. With proper care, colonies can thrive for multiple years.