Casurina Cones

Casurina Cones — Versatile Enrichment for Isopod & Bioactive Enclosures

Casurina cones are a wonderful natural bioactive terrarium supply for terrariums and isopods. Harvested from the Casuarina tree — sometimes called the sheoak — these small, intricate cones bring a wealth of practical benefits alongside their striking natural appearance.

Why Isopods Love Casurina Cones

• Natural food source — As Casurina cones slowly soften and break down, isopods will graze on the organic matter, fungi, and biofilm that develop on the surface.
• Shelter & hides — Their compact, textured structure provides isopods with cosy spots to tuck into, rest, and moult safely away from light and disturbance.
• Tannin release — Casurina cones release beneficial tannins into the enclosure, helping to create a slightly acidic, naturalistic environment that many isopod species thrive in.
• Bioactive-friendly — Perfect for clean-up crews and healthy ecosystems, they decompose gradually and naturally without disrupting your enclosure's balance.
• Humidity support — Their dense structure helps retain localised moisture, contributing to the humid microclimate most isopod species require.
• Beautiful aesthetics — Casurina cones add a unique, naturalistic texture to any vivarium, complementing leaf litter, cork bark, and other natural décor beautifully.

Benefits in Bioactive Terrariums

• Drives the decomposition cycle — As Casurina cones break down, they feed beneficial bacteria, fungi, and microfauna — the invisible engine that keeps a bioactive enclosure clean, balanced, and self-sustaining.
• Supports springtail colonies — Springtails thrive on the fungi and organic matter that develop on decomposing cones, helping to keep mould and waste under control.
• Natural pH buffering — The tannins released help maintain a stable, slightly acidic environment — ideal for tropical and temperate bioactive setups alike.

A high-quality organic material for bioactive setups UK-wide, suitable for reptiles, amphibians, and microfauna habitats, as well as all isopod species including Porcellio scaber, Armadillidium vulgare, Cubaris sp., and many more.

Disclaimer: While every effort is taken to ensure our products are safe for use, we strongly recommend cleaning and sterilising them yourself before introducing them to your enclosure.