BBA Worlds / The forest floor

Isopods & Invertebrates World

At leaf level, a lotus head becomes a cluster of sheltered chambers. Follow tiny isopods through real botanical forms, compare leaf layers and bark textures, then discover how the material roles change for millipedes and centipedes.

Read the scene Explore the materials

Grey Armadillidium vulgare isopods sheltering in a Lotus Seed Pod beside Oak and Beech leaves and Cholla wood — Illustrative habitat: Armadillidium vulgare isopods in a botanical leaf-litter microworld. Created with BBA botanical photo references; not a documented customer build.

Look closer. Find the material.

Lotus chambers and wood provide physical cover. The leaf layer has its own role in a detritivore habitat; a decorative pod is not automatically a food source.

Two small isopods tucked into separate chambers of a dry lotus head — Lotus head: chambers to explore
Lotus Seed Pods have irregular seed chambers and sheltered edges. Compare the 4–6cm and 8–11cm head options; chamber dimensions vary independently of the overall head size.
Compare the real BBA material
Catalogue photograph - material example, not the illustrated piece
Lotus Seed Pods – Aquarium Botanicals - 1 Lotus Head Approx. 8–11cmView product and options →

BBA catalogue photograph: Lotus Seed Pods – Aquarium Botanicals — Lotus head: chambers to explore
Lotus Seed Pods have irregular seed chambers and sheltered edges. Compare the 4–6cm and 8–11cm head options; chamber dimensions vary independently of the overall head size.
Compare the real BBA material
Catalogue photograph - material example, not the illustrated piece
Lotus Seed Pods – Aquarium Botanicals - 1 Lotus Head Approx. 8–11cmView product and options →

Lobed dry Oak leaf beside a lotus shelter — Oak: a layered leaf floor
Lobed Oak leaves overlap to make spaces above the soil. Oak is a supported leaf-litter choice for detritivore setups; the dry BBA leaves are not sold as pre-decayed feeding substrate.
Compare the real BBA material
Catalogue photograph - material example, not the illustrated piece
Dried Oak Leaves – Natural Aquarium Leaf LitterView product and options →

BBA catalogue photograph: Dried Oak Leaves – Natural Aquarium Leaf Litter — Oak: a layered leaf floor
Lobed Oak leaves overlap to make spaces above the soil. Oak is a supported leaf-litter choice for detritivore setups; the dry BBA leaves are not sold as pre-decayed feeding substrate.
Compare the real BBA material
Catalogue photograph - material example, not the illustrated piece
Dried Oak Leaves – Natural Aquarium Leaf LitterView product and options →

Ribbed Beech leaf and fine litter at isopod scale — Beech: finer folds and veins
Beech gives a different outline and a folded surface layer. For millipedes, a replenished leaf layer works alongside a suitable deep, decayed feeding substrate.
Compare the real BBA material
Catalogue photograph - material example, not the illustrated piece
Dried Beech Leaves (Fagus sp.) – Natural Aquarium Leaf LitterView product and options →

BBA catalogue photograph: Dried Beech Leaves (Fagus sp.) – Natural Aquarium Leaf Litter — Beech: finer folds and veins
Beech gives a different outline and a folded surface layer. For millipedes, a replenished leaf layer works alongside a suitable deep, decayed feeding substrate.
Compare the real BBA material
Catalogue photograph - material example, not the illustrated piece
Dried Beech Leaves (Fagus sp.) – Natural Aquarium Leaf LitterView product and options →

Perforated Cholla wood at the rear of the small forest-floor scene — Cholla: physical structure
The hollow perforated wood adds another cover texture. Compare it with lotus chambers, but do not treat this decorative wood as a replacement for soft decayed feeding wood.
Compare the real BBA material
Catalogue photograph - material example, not the illustrated piece
Cholla Wood / Cactus SkeletonView product and options →

BBA catalogue photograph: Cholla Wood / Cactus Skeleton — Cholla: physical structure
The hollow perforated wood adds another cover texture. Compare it with lotus chambers, but do not treat this decorative wood as a replacement for soft decayed feeding wood.
Compare the real BBA material
Catalogue photograph - material example, not the illustrated piece
Cholla Wood / Cactus SkeletonView product and options →

Three audiences, separate habitats

These examples are separate from the isopod colony and from each other. Similar-looking leaf floors can support very different ways of living.

Black giant African millipede crossing a deep organic leaf bank with Oak, Beech and decomposing wood — Habitat illustration; a separate enclosure example, not a customer photograph.

Giant African millipede / Archispirostreptus gigas

The feeding substrate matters as much as the surface

For this detritivore, suitable decayed hardwood and leaf-rich substrate provide more than scenery. Oak and Beech leaves can replenish the surface layer; decorative Cholla or hard pods do not replace the soft decayed feeding material. Keep adequate substrate depth for the species.

Explore Oak leaf packs Explore Beech leaf packs

Reddish brown centipede emerging from beneath the rim of a lotus head on earthy ground — Habitat illustration; a separate enclosure example, not a customer photograph.

Centipede / Scolopendra subspinipes

Shelter for a predator

The lotus head contributes a low sheltered edge here; a larger animal uses space beneath it rather than a tiny seed cell. This centipede is a predator, not a leaf-eating clean-up animal. Choose cover and moisture for its species in a secure, separate enclosure.

Compare Lotus Head sizes Browse leaf cover

A different role for every layer

Build around the animal first, then select materials for a clear job.

Cover and chambers

Lotus heads are the focal shelter material. Cholla and Buddha Nut offer different openings and shaded ground-level spaces; compare the real shape before placing them.

Lotus Seed Pods Cholla Wood Buddha Nut

Leaf litter and feeding roles

Oak and Beech have supported roles in detritivore leaf-litter setups. Magnolia adds a broad cover layer. Leaf species, condition and the animal determine their feeding value; these are not complete diets.

Oak leaves Beech leaves Magnolia leaves

A moisture landscape

Leave an accessible moisture gradient appropriate to the species. Arrange leaves and low cover so the substrate beneath remains observable; pods do not regulate an enclosure by themselves.

Compare rolled bark Compare open Canoinhas

Choose your starting materials

These featured materials are a starting point, not the full BBA range. Compare the role and real product dimensions, then explore the wider selection below. Current options and availability come from the shop.

There is more to explore

A starting point, not the full BBA range: explore more leaf shapes, openings and textures below. Catalogue photographs show material examples; natural pieces vary. Match the actual piece to the animal and its placement.

Leaf layers: compare shape and role

Oak and Beech are useful starting leaf choices for detritivore habitats. Broad Magnolia adds cover. Species and decomposition determine feeding use; a bag of dry leaves is not a complete substrate.

Lobed leaves, approx. 4–8cm

Dried Oak Leaves – Natural Aquarium Leaf LitterView product and options →

Ribbed oval leaves, approx. 5–8cm

Dried Beech Leaves (Fagus sp.) – Natural Aquarium Leaf LitterView product and options →

BBA catalogue photograph: Dried Magnolia Leaves – Natural Aquarium Leaf Litter

Broad cover with a different texture

Dried Magnolia Leaves – Natural Aquarium Leaf LitterView product and options →

Explore the leaf catalogue

Shelters: chambers, curves and tunnels

Explore Lotus chambers, the open curve of Buddha Nut and elongated Canoinhas. Treat these as physical cover, with access sized to the actual animal.

Lotus Head: irregular small chambers

Lotus Seed Pods – Aquarium Botanicals - 1 Lotus Head Approx. 8–11cmView product and options →

BBA catalogue photograph: Buddha Nut (Pterygota alata) – Natural Seed Pod

Open curved pocket at ground level

Buddha Nut (Pterygota alata) – Natural Seed PodView product and options →

BBA catalogue photograph: Canoinhas Pods (Funtumia elastica) – Natural Seed Pods

Long open pod, approx. 8–14cm

Canoinhas Pods (Funtumia elastica) – Natural Seed PodsView product and options →

Explore pod shapes

Wood and bark: structure first

Cholla perforations, rolled bark and solid Mangrove offer different physical surfaces. They are decorative structure, not interchangeable with decayed feeding wood.

Perforations and a hollow centre

Cholla Wood / Cactus SkeletonView product and options →

BBA catalogue photograph: Catappa Bark Tubes – Indian Almond Bark Hiding Tubes

Rough rolled surface and small recess

Catappa Bark Tubes – Indian Almond Bark Hiding TubesView product and options →

BBA catalogue photograph: Mangrove Root Driftwood

Solid root texture for low structure

Mangrove Root DriftwoodView product and options →

Compare wood and bark

Choose quantities, not a generic kit

Choose Oak or Beech in a quantity that suits your leaf layer, then compare single Lotus Heads and multipacks. Keep control of the ingredients and replenish the material your colony actually uses.

Compare the available leaf quantities

Dried Oak Leaves – Natural Aquarium Leaf LitterView product and options →

Choose a replenishment quantity

Dried Beech Leaves (Fagus sp.) – Natural Aquarium Leaf LitterView product and options →

Single heads and multipacks in the listing

Lotus Seed Pods – Aquarium Botanicals - 1 Lotus Head Approx. 8–11cmView product and options →

Browse leaves and pack options

Build your own version

Begin at ground level, with the animal and its substrate needs.

Identify the inhabitant
Choose the isopod, millipede or centipede species. Do not combine the illustrated animals in one setup.
Prepare the living base
Provide suitable substrate and a moisture gradient. Detritivores need an appropriate feeding base, not just decorative objects.
Place the lotus shelter
Set it low and stable. Compare the actual chambers and underside clearance with the animal size.
Layer the leaves
Add Oak or Beech where appropriate, keeping access to the soil and space to inspect beneath cover.
Replenish by condition
Observe leaf breakdown and animal use. Replace or add the material whose function is being lost.

Continue with practical BBA guidance

Practical reading from the BBA Knowledge Centre, chosen for this World.

Ventilated temperate woodland terrarium with small ferns, grey stone, weathered bark and sparse brown leaves.

Browse the Knowledge Centre

Meet the inhabitants

Choose a species plan, then adapt the enclosure. These are separate alternatives, not a mixed-species stocking list. BBA supplies habitat materials, not these animals.