Porcellio "Mercin"

Porcellio mercini | The Turkish Giant

The Porcellio mercini is a true titan. This impressive species is famous for its massive, broad body and stunningly intricate patterns. It features a rich cocoa-to-mahogany base decorated with a high-contrast cream or "frosted" dorsal stripe and skirted edges.

Unlike smaller isopods, P. mercini has a powerful, prehistoric presence. They are long-lived, intelligent foragers with long antennae and a bold personality. Because of their size and beautiful "frosted" aesthetics, they are considered a premium centerpiece species. If you want an isopod that feels like a pet rather than just a "clean-up crew," the Turkish Giant is the perfect choice.

🧬 Species Highlights

• Scientific Name: Porcellio mercini
• Visuals: Large, wide body with a deep brown base and a thick, light-colored dorsal band.
• Size: Extra Large – Can reach lengths of 3.0cm+.
• Behavior: Very bold and active; they are often seen exploring their enclosure and don't hide as much as smaller species.
• Reproduction: Moderate. They invest a lot of energy into their large offspring (mancae).

🛠️ Care & Setup

As a giant Mediterranean species, P. mercini requires specific conditions to thrive—primarily plenty of space and excellent airflow.

• Humidity: Low to Moderate (40–60%). They must have a very dry environment with a localized "moisture station" of damp Sphagnum moss.
• Temperature: 22–26°C (72–79°F). They thrive in warm, stable conditions.
• Ventilation: Very High. Cross-ventilation is essential to prevent stagnant air, which can be fatal to large Porcellio.
• Space: Because of their size, they appreciate a larger enclosure with plenty of "territory" to explore.

🥗 Diet & Nutrition

• Leaf Litter: They are voracious eaters! Keep a deep layer of Oak or Maple leaves available at all times.
• Protein Drive: High. To maintain their massive size, they need significant protein. Offer dried minnows, shrimp, or high-quality isopod pellets 2–3 times per week.
• Calcium: Mandatory. Their huge exoskeletons require constant access to cuttlebone.
• Supplemental: They love grazing on lichen and munching on fresh carrots or squash.

💡 Expert Success Tip

Porcellio mercini is a very "social" giant. They love to congregate under large, flat pieces of cork bark. To see their best colors, keep them on a dark, rich substrate; the "frosted" white stripe on their back will practically glow. Because they are so large, they are much easier to handle and observe than almost any other isopod in the hobby!

📦 What You Receive

A starter culture of healthy, captive-bred Porcellio mercini. We take care to select robust individuals to ensure your giant colony gets off to a perfect start.

Why Shop With Us?

• ✅ Premium Stock: Guaranteed healthy, captive-bred genetics from Turkey's finest lines.
• ✅ Secure Shipping: Moisture-stable, professional-grade insulated packaging.
• ✅ Elite Choice: We specialize in the "Giants" of the isopod world.