Description
Terra Aranea – The BioDude's Handcrafted Bioactive Substrate for Invertebrates
Terra Aranea by The Biodude is a one-of-a-kind bioactive substrate specifically designed for tarantulas, scorpions, spiders, vinegaroons, and other invertebrates. Thoroughly tested for over a year prior to its 2019 release, Terra Aranea has become the gold standard for invertebrate keepers seeking a substrate that supports both arid and high-humidity biomes while promoting natural behaviors and bioactive environments.
Why Choose Terra Aranea?
- Versatile Biome Support – Specifically designed for all biomes, from very dry and arid to high humidity environments
- Perfect Moisture Balance – Holds the perfect amount of water while allowing for evaporation, preventing anaerobic bacteria growth—a common challenge in invertebrate terrariums
- Bioactive-Ready – When used with Bio Shot, outcompetes negative bacteria and mold while encouraging a full self-cleaning, self-maintaining bioactive environment
- Superior Burrow Retention – Retains all burrows and hides; holds complete tunnels when moisture content is maintained at 25%-75%
- Encourages Natural Behaviors – Brings out instinctual niches that many invertebrates exhibit in their daily life
- Excellent Plant Support – Provides organic nutrition and creates necessary air pockets for root development and plant health
- Cleanup Crew Friendly – Air pockets support sustainable springtail and isopod populations in the vivarium
- No Drainage Layer Needed – Engineered to work perfectly without additional drainage layers
Perfect For
Tarantulas, scorpions, spiders, vinegaroons, and other invertebrates across all humidity ranges. Ideal for keepers creating bioactive setups or those seeking substrate that supports natural burrowing, tunneling, and nesting behaviors while maintaining optimal husbandry conditions.
Key Benefits
- Prevents harmful molds and bacteria when used with Bio Shot
- Supports both arid and humid-loving species
- Holds burrows and complete tunnel systems
- Creates healthy environment for live plants and cleanup crews
- Thoroughly tested and proven since 2019
Shipping Information
This product ships separately from live animal orders.
Experience The Biodude Difference
When you choose Terra Aranea, you're investing in a substrate that was handcrafted and rigorously tested to provide your invertebrates with the exact husbandry they need. Create thriving bioactive environments where your tarantulas, scorpions, and other invertebrates can exhibit their natural behaviors without the worry of harmful bacteria or substrate failure.


