Papaya Isopods (Cubaris murina “Papaya”)

At a glance

• What arrives: 10, 20, 50 or 100 live Cubaris murina “Papaya” isopods, depending on the pack selected.
• Best for: Keepers who want a compact peach-orange colony or a compatible bioactive setup with limited predation.
• Basic habitat: 70–78°F, moderate to high humidity, consistently moist substrate, leaf litter, shelter and calcium.
• Shipping & live arrival: Ships Monday–Wednesday; weather holds may apply. Retrieve promptly and report arrival issues within 2 hours of scanned delivery or pickup, with your order number and photos of the shipping label, unopened inner packaging and animals. Coverage requires meeting the Live Arrival Guarantee conditions. Read the shipping policy.

Find your next colony: Compare isopod colors, activity and care needs to choose a culture that fits your setup.

Compare isopod cultures.

Papaya Isopods (Cubaris murina “Papaya”) are a soft orange morph of a smaller, more controlled species known for steady growth and clean colony structure. Unlike larger, more aggressive isopods, these stay compact, manageable, and consistent—making them a strong choice for keepers who want balance over speed.

Their coloration ranges from pale peach to deeper orange, giving colonies a warm, uniform look without heavy patterning.

Papayas tend to stay fairly consistent in color, especially in stable cultures. You won’t see the same bold variation as spotted morphs—what you get instead is a cleaner, more blended appearance across the group.

Behavior is noticeably different from Porcellio species.

They are:

• Active, but not frantic
• More surface-visible than many Cubaris
• Still inclined to stay near cover and humidity

You’ll see them, but they won’t dominate the enclosure the way larger species do.

Bioactive Use

Papaya murina work well in bioactive setups, but with a different role:

• Better for light to moderate waste environments
• Ideal for smaller reptiles, amphibians, and inverts
• Maintain stable populations without overpopulation spikes

They do not reproduce fast enough to offset heavy predation, so they perform best where pressure is limited.

Care Requirements

This is where they differ most from Dairy Cows.

• Temperature: 70–78°F
• Humidity: Moderate to high (~70%+)
• Moisture: Consistent moisture is important, not just a gradient

They still benefit from a moisture gradient, but drying out too much will slow them down quickly.

Diet should include:

• Leaf litter (primary)
• Decaying wood
• Calcium source
• Occasional protein

Breeding & Growth

Papaya murina reproduce at a steady, controlled pace:

• Slower than Porcellio laevis
• More stable colony expansion
• Less boom-and-crash behavior

They won’t explode in numbers—but they also won’t overwhelm your setup.

Our Cultures

All Papaya isopods from Moore and More Bugs are:

• Raised in handcrafted, nutrient-rich substrate
• Maintained with proper humidity balance
• Never overcrowded

This produces colonies that establish cleanly and grow predictably.

Bottom Line

Papaya (Cubaris murina) are about control, consistency, and clean aesthetics.

If you want:

• A smaller, manageable species
• A warm, uniform look
• Steady growth without overpopulation

They’re a strong fit.

Optional additions

Starting two separate colonies? See the Two-Colony Starter Bundle: 10 Dairy Cows + 25 Powder Mix. Keep the cultures in separate enclosures.

You can also add a separate 10-count Dairy Cow culture. See the linked listing for current pricing.